Princess Beatrice is a modern maid of honor at Princess Eugenie's wedding

Looking sophisticated and chic, Princess Beatrice looked beautiful in blue on Friday morning at her sister Princess Eugenie's wedding to Jacks Brooksbank. 

Taking place at St. George's Chapel, a part of Windsor Castle, the maid of honor wore a royal blue Ralph & Russo skirt suit. The hue came as an unexpected choice as previous maids of honor at royal weddings have opted for cream looks, a la Pippa Middleton at Duchess Kate's 2011 wedding.

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Princess Beatrice at Princess Eugenie's wedding
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Princess Beatrice at Princess Eugenie's wedding
WINDSOR, ENGLAND - OCTOBER 12: Princess Beatrice of York and her mother Sarah Ferguson (R) arrive in their car to the Royal wedding of Princess Eugenie of York and Mr. Jack Brooksbank at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by Chris Jackson/Getty Images)
WINDSOR, ENGLAND - OCTOBER 12: Sarah, Duchess of York and Princess Beatrice of York attend the wedding of Princess Eugenie of York to Jack Brooksbank at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by (Photo by Mark Large - WPA Pool/Getty Images)
Britain's Princess Beatrice of York arrive to attend the wedding of Britain's Princess Eugenie of York to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Steve Parsons / POOL / AFP) (Photo credit should read STEVE PARSONS/AFP/Getty Images)
WINDSOR, ENGLAND - OCTOBER 12: Sarah, Duchess of York and Princess Beatrice of York arrive ahead of the wedding of Princess Eugenie of York and Mr. Jack Brooksbank at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by Jeremy Selwyn - WPA Pool/Getty Images)
Sarah, Duchess of York (L) and Britain's Princess Beatrice of York (R) arrive to attend the wedding of Britain's Princess Eugenie of York to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by TOBY MELVILLE / POOL / AFP) (Photo credit should read TOBY MELVILLE/AFP/Getty Images)
Britain's Princess Beatrice of York (L) and Sarah, Duchess of York arrive to thake their seats inside St George's Chapel ahead of the wedding of Britain's Princess Eugenie of York to Jack Brooksbank at Windsor Castle, in Windsor, on October 12, 2018. (Photo by Yui Mok / POOL / AFP) (Photo credit should read YUI MOK/AFP/Getty Images)
Britain's Princess Beatrice of York (L) and Sarah, Duchess of York arrive to take their seats inside St George's Chapel ahead of the wedding of Britain's Princess Eugenie of York to Jack Brooksbank at Windsor Castle, in Windsor, on October 12, 2018. (Photo by Yui Mok / POOL / AFP) (Photo credit should read YUI MOK/AFP/Getty Images)
Sarah, Duchess of York , Princess Beatrice of York (C) and Peter Phillips (3R) take their seats for the wedding of Britain's Princess Eugenie of York to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Danny Lawson / POOL / AFP) (Photo credit should read DANNY LAWSON/AFP/Getty Images)
WINDSOR, ENGLAND - OCTOBER 12: Sarah Ferguson and Princess Beatrice of York attend the wedding of Princess Eugenie of York and Mr. Jack Brooksbank at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by Owen Humphreys - WPA Pool/Getty Images)
Back row LtoR: Britain's Prince William, Duke of Cambridge, Britain's Catherine, Duchess of Cambridge, Britain's Prince Harry, Duke of Sussex, Meghan, Duchess of Sussex and Britain's Princess Anne, Princess Royal, Front row LtoR: Sarah, Duchess of York, Britain's Princess Beatrice of York, Peter Phillips, Autumn Phillips, and Mike Tindall take thier seats inside St George's Chapel ahead of the wedding of Britain's Princess Eugenie of York to Jack Brooksbank at Windsor Castle, in Windsor, on October 12, 2018. (Photo by Danny Lawson / POOL / AFP) (Photo credit should read DANNY LAWSON/AFP/Getty Images)
WINDSOR, ENGLAND - OCTOBER 12: Back (L-R) Queen Elizabeth II, Prince Philip, Duke of Edinburgh, Prince Charles, Prince of Wales, Prince William, Duke of Cambridge, Catherine, Duchess of Cambridge, Prince Harry, Duke of Sussex, Meghan, Duchess of Sussex and Princess Anne, Princess Royal and (front L-R) Sarah Ferguson Princess Beatrice of York, Peter Phillips, Autumn Phillips, Mike Tindall, Zara Tindall Lady Louise Windsor and Crown Prince Pavlos of Greece attend the wedding of Princess Eugenie of York and Mr. Jack Brooksbank at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by Owen Humphreys - WPA Pool/Getty Images)
WINDSOR, ENGLAND - OCTOBER 12: Sarah Ferguson and Princess Beatrice of York outside St George's Chapel following the wedding of Princess Eugenie to Jack Brooksbank on October 12, 2018 in Windsor, England. (Photo by Victoria Jones - WPA Pool/Getty Images)
WINDSOR, ENGLAND - OCTOBER 12: Sarah, Duchess of York and Princess Beatrice of York and the bridesmaids and page boys, including Princess Charlotte and Prince George, wave off Princess Eugenie of York and Mr. Jack Brooksbank following their wedding at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by Andrew Matthews - WPA Pool/Getty Images)
WINDSOR, ENGLAND - OCTOBER 12: (L-R) Best man Thomas Brooksbank, Sarah Ferguson, Princess Beatrice of York, bridesmaids and page boy, Prince Andrew, Duke of York, Thomas Brooksbank, bridesmaids Princess Charlotte of Cambridge, Savannah Phillips, Maud Windsor, page boy Prince George of Cambridge, bridesmaids Isla Phillips, Theodora Williams, Mia Tindall and page boy Louis de Givenchy and Nicola Brooksbank leave after the royal wedding of Princess Eugenie of York to Jack Brooksbank at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by Toby Melville - WPA Pool/Getty Images)
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Beatrice finished off her look with a bold indigo headband by Sarah Cant, a delicate bee brooch, a lilac clutch and matching lilac pumps. 

Sitting front row for her younger sister's big day, Princess Beatrice sat next to her mother Sarah Ferguson, who wore a jewel-toned look of her own, and cousin Peter Phillips, Zara Tindall's brother. Behind the immediate family sat cousins of the bride Prince William, Duchess Kate, Prince Harry and Duchess Meghan.

The ceremony was televised on Friday morning and was attended by a slew of royals and celebrities. 

See more shots from the big day below:

52 PHOTOS
Princess Eugenie and Jack Brooksbank's wedding
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Princess Eugenie and Jack Brooksbank's wedding
Princess Eugenie of York and Jack Brooksbank kiss after their wedding in St George’s Chapel, Windsor Castle, near London, England, Friday Oct. 12, 2018. (Yui Mok, Pool via AP)
Britain's Princess Eugenie walks down the aisle with her father Prince Andrew during her wedding to Jack Brooksbank at St George's Chapel in Windsor Castle, near London, England, Friday Oct. 12, 2018. (Danny Lawson/Pool via AP)
The bridesmaids and page boys, including Prince George and Princess Charlotte, arrive for the wedding of Princess Eugenie of York and Jack Brooksbank in St George’s Chapel, Windsor Castle, near London, England, Friday Oct. 12, 2018. (Yui Mok, Pool via AP)
Princess Eugenie of York arrives for her marriage to Jack Brooksbank at St George's Chapel, Windsor Castle, near London, England, Friday, Oct. 12, 2018. (AP Photo/Alastair Grant, Pool)
Britain's Princess Eugenie, accompanied by her father Prince Andrew, arrives for her wedding ceremony to Jack Brooksbank in St George’s Chapel, Windsor Castle, near London, England, Friday Oct. 12, 2018. (Toby Melville, Pool via AP)
WINDSOR, ENGLAND - OCTOBER 12: Newlyweds Princess Eugenie of York and Mr. Jack Brooksbank ride in the carriage procession after their Royal wedding ceremony at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by Chris Jackson/Getty Images)
Britain's Princess Eugenie of York and her husband Jack Brooksbank travel in the Scottish State Coach at the start of their carriage procession following their wedding at St George's Chapel, Windsor Castle in Windsor, on October 12, 2018. (Photo by Daniel LEAL-OLIVAS / AFP) (Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images)
Britain's Princess Eugenie of York (R) and her husband Jack Brooksbank (L) emerge from the West Door of St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018 after their wedding ceremony. (Photo by Andrew Matthews / POOL / AFP) (Photo credit should read ANDREW MATTHEWS/AFP/Getty Images)
Britain's Princess Eugenie of York (R) and her husband Jack Brooksbank (L) kiss as they emerge from the West Door of St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018 after their wedding ceremony. (Photo by Andrew Matthews / POOL / AFP) (Photo credit should read ANDREW MATTHEWS/AFP/Getty Images)
WINDSOR, ENGLAND - OCTOBER 12: Newlyweds Princess Eugenie of York and Mr. Jack Brooksbank wave to the crowds from their carriage after their Royal wedding at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by Chris Jackson/Getty Images)
Bridesmaid, Princess Charlotte of Cambridge arrives to take part as a bridesmaid in the wedding of Britain's Princess Eugenie of York to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Andrew Matthews / POOL / AFP) (Photo credit should read ANDREW MATTHEWS/AFP/Getty Images)
WINDSOR, ENGLAND - OCTOBER 12: Newlyweds Princess Eugenie of York and Mr. Jack Brooksbank ride in the carriage procession after their Royal wedding ceremony at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by Chris Jackson/Getty Images)
WINDSOR, ENGLAND - OCTOBER 12: Newlyweds Princess Eugenie of York and Mr. Jack Brooksbank wave to the crowds from their carriage after their Royal wedding at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by Chris Jackson/Getty Images)
Sarah, Duchess of York arrive to attend the wedding of Britain's Princess Eugenie of York to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Andrew Matthews / POOL / AFP) (Photo credit should read ANDREW MATTHEWS/AFP/Getty Images)
WINDSOR, ENGLAND - OCTOBER 12: Newlywed Princess Eugenie of York waves to the crowds from her carriage after her Royal wedding to Mr. Jack Brooksbank at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by Chris Jackson/Getty Images)
Britain's Princess Eugenie of York waves as she arrives for her wedding to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Andrew Matthews / POOL / AFP) (Photo credit should read ANDREW MATTHEWS/AFP/Getty Images)
Britain's Queen Elizabeth II (L) and Britain's Prince Philip, Duke of Edinburgh take their seat inside St George's Chapel ahead of the wedding of Britain's Princess Eugenie of York to Jack Brooksbank at Windsor Castle, in Windsor, on October 12, 2018. (Photo by Owen Humphreys / POOL / AFP) (Photo credit should read OWEN HUMPHREYS/AFP/Getty Images)
Naomi Campbell reacts during the wedding ceremony of Britain's Princess Eugenie of York to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Owen Humphreys / POOL / AFP) (Photo credit should read OWEN HUMPHREYS/AFP/Getty Images)
Britain's Princess Eugenie of York (C) and Jack Brooksbank (2L) stand at the alter with Britain's Prince Andrew, Duke of York, (R) during their wedding ceremony at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Danny Lawson / POOL / AFP) (Photo credit should read DANNY LAWSON/AFP/Getty Images)
Britain's Prince William, Duke of Cambridge, (L), Britain's Catherine, Duchess of Cambridge, (2L) Britain's Prince Harry, Duke of Sussex (C), Meghan, Duchess of Sussex (2R) and Britain's Princess Anne, Princess Royal, react during the wedding ceremony of Britain's Princess Eugenie of York to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Owen Humphreys / POOL / AFP) (Photo credit should read OWEN HUMPHREYS/AFP/Getty Images)
Britain's Princess Eugenie of York (R) and Jack Brooksbank (L) kneel at the alter during their wedding ceremony at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Jonathan Brady / POOL / AFP) (Photo credit should read JONATHAN BRADY/AFP/Getty Images)
Sarah, Duchess of York , Princess Beatrice of York (C) and Peter Phillips (3R) take their seats for the wedding of Britain's Princess Eugenie of York to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Danny Lawson / POOL / AFP) (Photo credit should read DANNY LAWSON/AFP/Getty Images)
Britain's Princess Eugenie of York (C) has her train fixed as she arrives for her wedding to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Victoria Jones / POOL / AFP) (Photo credit should read VICTORIA JONES/AFP/Getty Images)
Britain's Prince Philip, Duke of Edinburgh (L), Britain's Prince Charles, Prince of Wales (C) and Britain's Prince William, Duke of Cambridge, react during the wedding ceremony of Britain's Princess Eugenie of York to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Owen Humphreys / POOL / AFP) (Photo credit should read OWEN HUMPHREYS/AFP/Getty Images)
WINDSOR, ENGLAND - OCTOBER 12: Princess Eugenie arrives with her father, Prince Andrew, the Duke of York, for her wedding to Jack Brooksbank at St George's Chapel in Windsor Castle on October 12, 2018 in Windsor, England. (Photo by Victoria Jones - WPA Pool/Getty Images)
WINDSOR, ENGLAND - OCTOBER 12: Princess Eugenie arrives for her wedding to Jack Brooksbank at St George's Chapel in Windsor Castle on October 12, 2018 in Windsor, England. (Photo by Victoria Jones - WPA Pool/Getty Images)
Britain's Princess Eugenie of York (C) arrives for her wedding to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Victoria Jones / POOL / AFP) (Photo credit should read VICTORIA JONES/AFP/Getty Images)
Britain's Princess Eugenie of York (R) reacts as she looks towards Jack Brooksbank during their wedding at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Jonathan Brady / POOL / AFP) (Photo credit should read JONATHAN BRADY/AFP/Getty Images)
WINDSOR, ENGLAND - OCTOBER 12: Meghan, Duchess of Sussex and Princess Anne, Princess Royal attend the wedding of Princess Eugenie of York and Mr. Jack Brooksbank at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by Owen Humphreys - WPA Pool/Getty Images)
Britain's Princess Eugenie of York (R) arrives for her wedding to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Victoria Jones / POOL / AFP) (Photo credit should read VICTORIA JONES/AFP/Getty Images)
Britain's Princess Eugenie of York (R) arrives for her wedding to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Victoria Jones / POOL / AFP) (Photo credit should read VICTORIA JONES/AFP/Getty Images)
Britain's Princess Eugenie of York (R) as Jack Brooksbank places the ring on her finger during thier wedding ceremony to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Danny Lawson / POOL / AFP) (Photo credit should read DANNY LAWSON/AFP/Getty Images)
Britain's Princess Eugenie of York (R) as Jack Brooksbank places the ring on her finger during thier wedding ceremony to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Danny Lawson / POOL / AFP) (Photo credit should read DANNY LAWSON/AFP/Getty Images)
WINDSOR, ENGLAND - OCTOBER 12: Princess Eugenie arrives with her father, Prince Andrew, the Duke of York, for her wedding to Jack Brooksbank at St George's Chapel in Windsor Castle on October 12, 2018 in Windsor, England. (Photo by Victoria Jones - WPA Pool/Getty Images)
WINDSOR, ENGLAND - OCTOBER 12: Prince Andrew, The Duke of York (right) stands next to his daughter Princess Eugenie and her groom Jack Brooksbank during their wedding ceremony at St George's Chapel in Windsor Castle on October 12, 2018 in Windsor, England. (Photo by Danny Lawson - WPA Pool/Getty Images)
WINDSOR, ENGLAND - OCTOBER 12: Jack Brooksbank and Princess Eugenie of York kneel during their wedding ceremony at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by Jonathan Brady - WPA Pool/Getty Images)
WINDSOR, ENGLAND - OCTOBER 12: Queen Elizabeth II attends the wedding of Princess Eugenie of York to Jack Brooksbank at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by (Photo by Mark Large - WPA Pool/Getty Images)
WINDSOR, ENGLAND - OCTOBER 12: Sarah, Duchess of York and Princess Beatrice of York attend the wedding of Princess Eugenie of York to Jack Brooksbank at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by (Photo by Mark Large - WPA Pool/Getty Images)
Dean of Windsor, David Conner (R) presides over the wedding ceremony of Britain's Princess Eugenie of York (C) and Jack Brooksbank (L) at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Jonathan Brady / POOL / AFP) (Photo credit should read JONATHAN BRADY/AFP/Getty Images)
Britain's Prince Harry, Duke of Sussex, and Meghan, Duchess of Sussex attend the wedding ceremony of Britain's Princess Eugenie of York (C) and Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Owen Humphreys / POOL / AFP) (Photo credit should read OWEN HUMPHREYS/AFP/Getty Images)
WINDSOR, ENGLAND - OCTOBER 12: Princess Eugenie and Jack Brooksbank during their wedding ceremony at St George's Chapel in Windsor Castle on October 12, 2018 in Windsor, England. (Photo by Danny Lawson - WPA Pool/Getty Images)
Britain's Princess Eugenie of York (L) acompanied by her father Britain's Prince Andrew, Duke of York, (R) arrives for her wedding to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Adrian DENNIS / various sources / AFP) (Photo credit should read ADRIAN DENNIS/AFP/Getty Images)
WINDSOR, ENGLAND - OCTOBER 12: Princess Eugenie of York passes her bouquet to bridesmaid Savannah Phillips during her wedding to Jack Brooksbank at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by - WPA Pool/Getty Images)
WINDSOR, ENGLAND - OCTOBER 12: Princess Eugenie and Jack Brooksbank during their wedding ceremony at St George's Chapel in Windsor Castle on October 12, 2018 in Windsor, England. (Photo by Danny Lawson - WPA Pool/Getty Images)
WINDSOR, ENGLAND - OCTOBER 12: Princess Eugenie arrives for her wedding to Jack Brooksbank at St George's Chapel in Windsor Castle on October 12, 2018 in Windsor, England. (Photo by Victoria Jones - WPA Pool/Getty Images)
WINDSOR, ENGLAND - OCTOBER 12: (L-R) James Middleton, Pippa Middleton and James Matthews arrive for the wedding of Princess Eugenie of York and Jack Brooksbank at St George's Chapel, Windsor Castle on October 12, 2018 in Windsor, England. (Photo by Alastair Grant - WPA Pool/Getty Images)
Britain's Princess Eugenie of York (CR) accompanied by her father Britain's Prince Andrew, Duke of York, (CL) walk up the aisle during her wedding ceremony to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Jonathan Brady / POOL / AFP) (Photo credit should read JONATHAN BRADY/AFP/Getty Images)
WINDSOR, ENGLAND - OCTOBER 12: Queen Elizabeth II attends the wedding of Princess Eugenie of York to Jack Brooksbank at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by (Photo by Mark Large - WPA Pool/Getty Images)
Bridesmaid Princess Charlotte of Cambridge falls on the steps as she arrives to take part in the wedding of Britain's Princess Eugenie of York to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Victoria Jones / POOL / AFP) (Photo credit should read VICTORIA JONES/AFP/Getty Images)
Louis de Givenchy falls on the West Steps, as the bridesmaids and page boys arrive with Lady Louise Windsor (C) to attend the wedding of Britain's Princess Eugenie of York to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Victoria Jones / POOL / AFP) (Photo credit should read VICTORIA JONES/AFP/Getty Images)
The bridesmaids and page boys, including Princess Charlotte of Cambridge (L), Savannah Phillips (2L) and Prince George of Cambridge (3L) wait to take part in the wedding of Britain's Princess Eugenie of York to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Yui Mok / POOL / AFP) (Photo credit should read YUI MOK/AFP/Getty Images)
WINDSOR, ENGLAND - OCTOBER 12: Jack Brooksbank and Princess Eugenie of York leave the wedding of Princess Eugenie of York to Jack Brooksbank at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by Toby Melville - WPA Pool/Getty Images)
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