Duchess Kate Middleton stuns in Alexander McQueen for the royal wedding, stepping out than a month after Prince Louis' birth

It's been only a month since Prince Louis' arrival, but Duchess Kate looks as glamorous as ever (as always) as she stepped out to celebrate the wedding of her brother-in-law Prince Harry and his new wife, Meghan Markle.

We've only seen Kate briefly before today, once when she stepped out only hours after giving birth to introduce her newborn to the world, and from afar as she arrived at Windsor Castle ahead of the royal extravaganza on Thursday. On Saturday, she entered St. George's Chapel alongside the wedding party's 10 bridesmaids and page boys, including Prince George and Princess Charlotte.

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Duchess Kate at the Royal Wedding
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Duchess Kate at the Royal Wedding
Britain's Catherine, Duchess of Cambridge arrives for the wedding ceremony of Britain's Prince Harry, Duke of Sussex and US actress Meghan Markle at St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Ian West / POOL / AFP) (Photo credit should read IAN WEST/AFP/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: (L-R) Prince Charles, Prince of Wales, Camilla, Duchess of Cornwall, Catherine, Duchess of Cambridge, Prince Andrew, Duke of York and Princess Beatrice attend the wedding of Prince Harry and Meghan Markle in St George's Chapel at Windsor Castle on May 19, 2018 in Windsor, England. (Photo by Jonathan Brady - WPA Pool/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19:(Left to right) Prince William, Duke of Cambridge, Camilla, Duchess of Cornwall, Catherine, Duchess of Cambridge and Prince Andrew, Duke of York attend the wedding of Prince Harry to Meghan Markle at St George's Chapel at Windsor Castle on May 19, 2018 in Windsor, England. (Photo by Jonathan Brady - WPA Pool/Getty Images)
(L-R) Meghan Markle's mother Doria Ragland, Britain's Prince Charles, Prince of Wales, Britain's Camilla, Duchess of Cornwall, Princess Charlotte and Britain's Catherine, Duchess of Cambridge leave the wedding ceremony of Britain's Prince Harry, Duke of Sussex and US actress Meghan Markle at St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Ben STANSALL / POOL / AFP) (Photo credit should read BEN STANSALL/AFP/Getty Images)
Britain's Prince William, Duke of Cambridge and Britain's Catherine, Duchess of Cambridge leave with their children Prince George and Princess Charlotte after attending the wedding ceremony of Britain's Prince Harry, Duke of Sussex and US actress Meghan Markle at St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Andrew Matthews / POOL / AFP) (Photo credit should read ANDREW MATTHEWS/AFP/Getty Images)
(Left to right) The Duchess of Cornwall, the Duchess of Cambridge, the Duke of York, Princess Beatrice, Princess Eugenie and Jack Brooksbank take their seats in St George's Chapel at Windsor Castle ahead of the wedding of Prince Harry and Meghan Markle.
Princess Charlotte (L) waves by her mother Britain's Catherine, Duchess of Cambridge after attending the wedding ceremony of Britain's Prince Harry, Duke of Sussex and US actress Meghan Markle at St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Jane Barlow / POOL / AFP) (Photo credit should read JANE BARLOW/AFP/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Catherina, Duchess of Cambridge and Princess Charlotte leave St George's Chapel, Windsor Castle after the wedding of Prince Harry, Duke of Sussex and Meghan, Duchess of Sussex on May 19, 2018 in Windsor, England. (Photo by Andrew Matthews - WPA Pool/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Princess Charlotte and Catherine, Duchess of Cambridge leave St George's Chapel after the wedding of Prince Harry and Meghan Markle in St George's Chapel at Windsor Castle on May 19, 2018 in Windsor, England. (Photo by Jane Barlow - WPA Pool/Getty Images)
Britain's Catherine, Duchess of Cambridge (R), Britain's Prince William, Duke of Cambridge and Prince Harry's nephew and page boy Prince George (L) leave after attending the wedding ceremony of Britain's Prince Harry, Duke of Sussex and US actress Meghan Markle at St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Gareth FULLER / POOL / AFP) (Photo credit should read GARETH FULLER/AFP/Getty Images)
(L-R) Meghan Markle's mother Doria Ragland, Britain's Prince Charles, Prince of Wales, Britain's Camilla, Duchess of Cornwall, Prince George, Britain's Prince William, Prince Harry's niece and bridesmaid Princess Charlotte and Britain's Catherine, Duchess of Cambridge leave after attending the wedding ceremony of Britain's Prince Harry, Duke of Sussex and US actress Meghan Markle at St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Jane Barlow / POOL / AFP) (Photo credit should read JANE BARLOW/AFP/Getty Images)
(Left to right) The Duke of Cambridge, the Prince of Wales, the Duchess of Cornwall, the Duchess of Cambridge, the Duke of York, Princess Beatrice, Princess Eugenie sitting in St George's Chapel at Windsor Castle during the wedding of Prince Harry and Meghan Markle.
(L-R) Britain's Camilla, Duchess of Cornwall, Britain's Catherine, Duchess of Cambridge, Britain's Prince Andrew, Duke of York and Britain's Princess Beatrice of York wait in the chapel ahead of the wedding ceremony of Britain's Prince Harry, Duke of Sussex and US actress Meghan Markle in St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Jonathan Brady / POOL / AFP) (Photo credit should read JONATHAN BRADY/AFP/Getty Images)
Britain's Catherine, Duchess of Cambridge (L) and Meghan Markle's friend, Canadian fashion stylist Jessica Mulroney (2L) hold bridesmaids hands as they arrive for the wedding ceremony of Britain's Prince Harry, Duke of Sussex and US actress Meghan Markle at St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Jane Barlow / POOL / AFP) (Photo credit should read JANE BARLOW/AFP/Getty Images)
The Duchess of Cambridge arrives with the Princess Charlotte (right) at St George's Chapel at Windsor Castle for the wedding of Prince Harry and Meghan Markle.
Britain's Catherine, Duchess of Cambridge (C) walks up the west steps with Prince George (L) and bridesmaids for the wedding ceremony of Britain's Prince Harry, Duke of Sussex and US actress Meghan Markle at St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Jane Barlow / POOL / AFP) (Photo credit should read JANE BARLOW/AFP/Getty Images)
(Left to right) The Duke of Cambridge, the Prince of Wales, the Duchess of Cornwall, the Duchess of Cambridge, the Duke of York and Princess Beatrice sitting in St George's Chapel at Windsor Castle during the wedding of Prince Harry and Meghan Markle.
Britain's Catherine, Duchess of Cambridge arrives for the wedding ceremony of Britain's Prince Harry, Duke of Sussex and US actress Meghan Markle at St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Ian West / POOL / AFP) (Photo credit should read IAN WEST/AFP/Getty Images)
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For the big event, the 35-year-old royal donned a gorgeous primrose yellow wool silk tailored coat designed by Alexander McQueen. The designer was also behind her iconic wedding gown in 2011. According to a statement from the palace, The Duchess of Cambridge is also wearing a hat designed by Philip Treacy and completed the look with shoes by Jimmy Choo.

Photo: Getty

While we won't officially get to see Kate until she arrives back from maternity leave in the fall, we're hoping for a few more royal sneak peeks -- possibly at the Royal Ascot in late June and definitely at Princess Eugenie's wedding in October.

See more of shots from the big day here:

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Meghan Markle stuns in wedding gown
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Meghan Markle stuns in wedding gown
US actress Meghan Markle arrives for the wedding ceremony to marry Britain's Prince Harry, Duke of Sussex, at St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Ben Birchall / POOL / AFP) (Photo credit should read BEN BIRCHALL/AFP/Getty Images)
Meghan Markle arrives at St George's Chapel at Windsor Castle for her wedding to Prince Harry.
US actress Meghan Markle arrives for the wedding ceremony to marry Britain's Prince Harry, Duke of Sussex, at St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Andrew Matthews / POOL / AFP) (Photo credit should read ANDREW MATTHEWS/AFP/Getty Images)
Meghan Markle arrives at St George's Chapel at Windsor Castle for her wedding to Prince Harry.
Pageboys hold the train of the dress of Meghan Markle as she arrives at St George's Chapel at Windsor Castle for her wedding to Prince Harry.
US actress Meghan Markle arrives for the wedding ceremony to marry Britain's Prince Harry, Duke of Sussex, at St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Ben STANSALL / POOL / AFP) (Photo credit should read BEN STANSALL/AFP/Getty Images)
Meghan Markle and her bridal walk down the aisle of St George's Chapel at Windsor Castle for her wedding to Prince Harry.
Prince Harry looks at his bride, Meghan Markle, as she arrives accompanied by the Prince of Wales in St George's Chapel at Windsor Castle for their wedding.
WINDSOR, UNITED KINGDOM - MAY 19: Prince Harry and Meghan Markle during their wedding ceremony in St George's Chapel at Windsor Castle on May 19, 2018 in Windsor, England. (Photo by Owen Humphreys - WPA Pool/Getty Images)
Britain's Prince Harry, Duke of Sussex, (L) and US fiancee of Britain's Prince Harry Meghan Markle arrive at the High Altar for their wedding ceremony in St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Jonathan Brady / POOL / AFP) (Photo credit should read JONATHAN BRADY/AFP/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Meghan Markle arrives at St George's Chapel at Windsor Castle for her wedding to Prince Harry on May 19, 2018 in Windsor, England. (Photo by Brian Lawless - WPA Pool/Getty Images)
WINDSOR, ENGLAND - MAY 19: Meghan, Duchess of Sussex in the Ascot Landau carriage during the procession on The Long Walk after getting married St George's Chapel, Windsor Castle on May 19, 2018 in Windsor, England. (Photo by Richard Heathcote/Getty Images)
Britain's Prince Harry, Duke of Sussex (L) and Britain's Meghan Markle, Duchess of Sussex, (R) walk away from the High Altar toward the West Door to exit at the end of their wedding ceremony in St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Owen Humphreys / POOL / AFP) (Photo credit should read OWEN HUMPHREYS/AFP/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Prince Harry, Duke of Sussex and Meghan, Duchess of Sussex leave St George's Chapel, Windsor Castle after their wedding ceremony on May 19, 2018 in Windsor, England. (Photo by Andrew Matthews - WPA Pool/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Prince Harry and Meghan Markle leave St George's Chapel after their wedding in St George's Chapel at Windsor Castle on May 19, 2018 in Windsor, England. (Photo by Ben Birchall - WPA Pool/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Meghan Markle stands at the altar during her wedding in St George's Chapel at Windsor Castle on May 19, 2018 in Windsor, England. (Photo by Jonathan Brady - WPA Pool/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Prince Harry, Duke of Sussex and The Duchess of Sussex leave St George's Chapel, Windsor Castle after their wedding ceremony on May 19, 2018 in Windsor, England. (Photo by Andrew Matthews - WPA Pool/Getty Images)
Britain's Prince Harry, Duke of Sussex, (L) and US fiancee of Britain's Prince Harry Meghan Markle arrive at the High Altar for their wedding ceremony in St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Jonathan Brady / POOL / AFP) (Photo credit should read JONATHAN BRADY/AFP/Getty Images)
TOPSHOT - Britain's Prince Harry, Duke of Sussex, (L) and US fiancee of Britain's Prince Harry Meghan Markle arrive at the High Altar for their wedding ceremony in St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Jonathan Brady / POOL / AFP) (Photo credit should read JONATHAN BRADY/AFP/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Prince Harry lifts the veil of Meghan Markle during their wedding ceremony in St George's Chapel at Windsor Castle on May 19, 2018 in Windsor, England. (Photo by Owen Humphreys - WPA Pool/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Prince Harry looks at his bride, Meghan Markle during their wedding service conducted by the Archbishop of Canterbury Justin Welby in St George's Chapel at Windsor Castle on May 19, 2018 in Windsor, England. (Photo by Owen Humphreys - WPA Pool/Getty Images)
Britain's Prince Harry, Duke of Sussex, (L) and US fiancee of Britain's Prince Harry Meghan Markle arrive at the High Altar for their wedding ceremony in St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Jonathan Brady / POOL / AFP) (Photo credit should read JONATHAN BRADY/AFP/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Meghan Markle smiles during her wedding to Prince Harry in St George's Chapel at Windsor Castle on May 19, 2018 in Windsor, England. (Photo by Jonathan Brady - WPA Pool/Getty Images)
Britain's Prince Harry, Duke of Sussex, (L) and US fiancee of Britain's Prince Harry Meghan Markle arrive at the High Altar for their wedding ceremony in St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Jonathan Brady / POOL / AFP) (Photo credit should read JONATHAN BRADY/AFP/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Meghan Markle smiles during her wedding to Prince Harry in St George's Chapel at Windsor Castle on May 19, 2018 in Windsor, England. (Photo by Jonathan Brady - WPA Pool/Getty Images)
Britain's Prince Harry, Duke of Sussex (L) and US fiancee of Britain's Prince Harry Meghan Markle stand together for their wedding in St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Dominic Lipinski / POOL / AFP) (Photo credit should read DOMINIC LIPINSKI/AFP/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Prince Harry and Meghan Markle during their wedding ceremony in St George's Chapel at Windsor Castle on May 19, 2018 in Windsor, England. (Photo by Owen Humphreys - WPA Pool/Getty Images)
Britain's Prince Harry, Duke of Sussex (L) sits with US actress Meghan Markle (R) during the reading in St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018 during their wedding ceremony. (Photo by Owen Humphreys / POOL / AFP) (Photo credit should read OWEN HUMPHREYS/AFP/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Prince Harry and Meghan Markle during their wedding ceremony in St George's Chapel at Windsor Castle on May 19, 2018 in Windsor, England. (Photo by Owen Humphreys - WPA Pool/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Prince Harry and Meghan Markle during their wedding ceremony in St George's Chapel at Windsor Castle on May 19, 2018 in Windsor, England. (Photo by Owen Humphreys - WPA Pool/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Prince Harry and Meghan Markle during their wedding service, conducted by the Archbishop of Canterbury Justin Welby in St George's Chapel at Windsor Castle on May 19, 2018 in Windsor, England. (Photo by Dominic Lipinski - WPA Pool/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Prince Harry and Meghan Markle during their wedding service, conducted by the Archbishop of Canterbury Justin Welby in St George's Chapel at Windsor Castle on May 19, 2018 in Windsor, England. (Photo by Dominic Lipinski - WPA Pool/Getty Images)
Britain's Prince Harry, Duke of Sussex (L) sits with US actress Meghan Markle (R) during the reading in St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018 during their wedding ceremony. (Photo by Owen Humphreys / POOL / AFP) (Photo credit should read OWEN HUMPHREYS/AFP/Getty Images)
Britain's Prince Harry, Duke of Sussex (R) and US actress Meghan Markle (L) stand facing each other hand-in-hand before Archbishop of Canterbury Justin Welby (C) during their wedding ceremony in St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Owen Humphreys / POOL / AFP) (Photo credit should read OWEN HUMPHREYS/AFP/Getty Images)
Britain's Prince Harry, Duke of Sussex (R) and US actress Meghan Markle (L) stand facing each other hand-in-hand before Archbishop of Canterbury Justin Welby (C) during their wedding ceremony in St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Owen Humphreys / POOL / AFP) (Photo credit should read OWEN HUMPHREYS/AFP/Getty Images)
Britain's Prince Harry, Duke of Sussex (L) and US fiancee of Britain's Prince Harry Meghan Markle stand together at the High Altar during their wedding ceremony in St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Dominic Lipinski / POOL / AFP) (Photo credit should read DOMINIC LIPINSKI/AFP/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Prince Harry places the wedding ring on the finger of Meghan Markle during their wedding service, conducted by the Archbishop of Canterbury Justin Welby in St George's Chapel at Windsor Castle on May 19, 2018 in Windsor, England. (Photo by Jonathan Brady - WPA Pool/Getty Images)
Prince Harry and Meghan Markle in St George's Chapel at Windsor Castle during their wedding.
WINDSOR, ENGLAND - MAY 19: Meghan Markle (R) with her mother Doria Ragland arrive at Windsor Castle ahead of her wedding to Prince Harry on May 19, 2018 in Windsor, England. Prince Henry Charles Albert David of Wales marries Ms. Meghan Markle in a service at St George's Chapel inside the grounds of Windsor Castle. Among the guests were 2200 members of the public, the royal family and Ms. Markle's Mother Doria Ragland. (Photo by Samir Hussein/WireImage)
WINDSOR, ENGLAND - MAY 19: Meghan Markle with her mother Doria Ragland (unseen) drive down the Long Walk as they arrive at Windsor Castle ahead of her wedding to Prince Harry on May 19, 2018 in Windsor, England. (Photo by Richard Heathcote/Getty Images)
Meghan Markle (R) and her mother, Doria Ragland, arrive for her wedding ceremony to marry Britain's Prince Harry, Duke of Sussex, at St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Oli SCARFF / AFP) (Photo credit should read OLI SCARFF/AFP/Getty Images)
Meghan Markle leaves the Cliveden House Hotel, accompanied by her mother, Ms Doria Ragland, ahead of her wedding to Prince Harry at St George's Chapel at Windsor Castle.
Page boys John and Brian Mulroney accompany US actress Meghan Markle as she arrives in a car for the wedding ceremony to marry Britain's Prince Harry, Duke of Sussex, at St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Chris Radburn / POOL / AFP) (Photo credit should read CHRIS RADBURN/AFP/Getty Images)
Meghan Markle leaves the Cliveden House Hotel, accompanied by her mother, Ms Doria Ragland, ahead of her wedding to Prince Harry at St George's Chapel at Windsor Castle.
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