Susan Sarandon breaks royal protocol by introducing herself to Queen Elizabeth: See her majesty's reaction!

Looks like Susan Sarandon wasn't about to pass up an opportunity to meet Queen Elizabeth II!

The 71-year-old actress attended the Royal Windsor Cup polo match on Sunday at Guards Polo Club in Egham, England, where at one point, she got up and introduced herself to the queen. Though the gesture was harmless, royal protocol states that guests should wait to be introduced to the queen before speaking to her.

But the queen -- who remained seated in her chair -- clearly didn't seem to mind, flashing Sarandon a huge smile as the two shook hands. Meanwhile, Prince Philip remained in his chair. The Daily Express reports that 97-year-old Prince Philip didn't seem to know who Sarandon was, who was clad in a white dress and red sandals. 

Queen Elizabeth and Susan Sarandon at the Royal Windsor Cup Final 2018 at Guards Polo Club
SplashNews.com

Of course, following royal protocol can be a challenge -- even for Duchess of Sussex Meghan Markle. Earlier this month, a source told ET that Markle has been turning to members of the royal family and the staff to ensure she doesn't have a misstep.

"She has been warmly embraced by both Kate [Middleton] and Camilla [Duchess of Cornwall], and even Harry has been doing what he can to make sure she feels comfortable and at ease," the source said. 

The source also said the queen in particular has embraced Markle, as evidenced by the former Suits star recently accompanying the 92-year-old monarch to three royal engagements in Cheshire, England.

"Meghan will overnight on the royal train with Her Majesty, an opportunity for the two to spend some quality time together, [and] another sign of how Meghan has been embraced in the royal family and how much confidence they have in her," the source said at the time. "Kate did her first solo event with the queen a full nine months after marrying William. Many members of the royal family have never been aboard the royal train with the queen. It is a huge honor and a sign of how well Meghan is doing adjusting to the royal family."

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Queen Elizabeth and her matching umbrellas
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Queen Elizabeth and her matching umbrellas
Queen Elizabeth II shelters from the rain under an umbrella in the garden of Buckingham Palace, as up to 8,000 guests attend the first royal garden party of the year, in London, Britain May 10, 2016. REUTERS/John Stillwell/Pool Photograph taken May 10, 2016.
Britain's Queen Elizabeth leaves after attending the Christmas Day service at church in Sandringham, eastern England, December 25, 2015. REUTERS/Peter Nicholls
Britain's Queen Elizabeth leaves after attending the Christmas Day service at church in Sandringham, eastern England, December 25, 2015. REUTERS/Peter Nicholls
Britain's Queen Elizabeth holds an umbrella as she stands in the rain during her visit to Lancaster Castle in Lancaster, Britain May 29, 2015. REUTERS/Andrew Yates
Britain's Queen Elizabeth carries an umbrella, to protect her from the torrential rain, before inspecting members of the 1st Battalion The Royal Scots (Royal Regiment) at the traditional Ceremony of the Keys outside the Palace of Holyroodhouse in Edinburgh, July 1, 2003. The Queen is in Scotland to commemorate the 400th anniversary of the Union of the Crowns - when King James VI of Scotland became King James I of England following the death of Queen Elizabeth I. REUTERS/Andrew Parsons/POOL MD
Britain's Queen Elizabeth (R) carrying an umbrella to protect her from the torrential rain, inspects members of the 1st Battalion The Royal Scots (Royal Regiment) at the traditional Ceremony of the Keys outside the Palace of Holyroodhouse in Edinburgh, July 1, 2003. The Queen is in Scotland to commemorate the 400th anniversary of the Union of the Crowns - when King James VI of Scotland became King James I of England following the death of Queen Elizabeth I. REUTERS/Andrew Parsons/POOL MD
Britain's Queen Elizabeth II inspects the Regiment during a ceremony to present new colours to the 1st Battalion and F Company Scots Guards at Buckingham Palace in London on May 18, 2017. / AFP PHOTO / POOL / John Stillwell (Photo credit should read JOHN STILLWELL/AFP/Getty Images)
Queen Elizabeth II during a garden party at Buckingham Palace on May 16, 2017 in London, England. (Photo by Victoria Jones - WPA Pool /Getty Images)
BIRMINGHAM, UNITED KINGDOM - NOVEMBER 19: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Queen Elizabeth II shelters under an umbrella as she visits the newly redeveloped Birmingham New Street Station on November 19, 2015 in Birmingham, England. (Photo by Max Mumby/Indigo/Getty Images)
LONDON, UNITED KINGDOM - OCTOBER 25: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Queen Elizabeth II shelters under an umbrella as attends the opening of the newly developed Jubilee Gardens on October 25, 2012 in London, England. (Photo by Indigo/Getty Images)
LONDON, UNITED KINGDOM - OCTOBER 25: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Queen Elizabeth II shelters under an umbrella as attends the opening of the newly developed Jubilee Gardens on October 25, 2012 in London, England. (Photo by Indigo/Getty Images)
RICHMOND, UNITED KINGDOM - MARCH 15: Queen Elizabeth II shelters under an umbrella as she visits the 'Wild London' exhibition with Prince Philip, Duke of Edinburgh on May 15, 2012 in Richmond, England. (Photo by Suzanne Plunkett - WPA Pool/Getty Images)
RICHMOND, UNITED KINGDOM - MARCH 15: Queen Elizabeth II struggles with an umbrella during a hailstorm as she visits the 'Wild London' exhibition with Prince Philip, Duke of Edinburgh on May 15, 2012 in Richmond, England. (Photo by Suzanne Plunkett - WPA Pool/Getty Images)
MERTHYR, WALES - APRIL 26: Queen Elizabeth II holds an umbrella during a rain shower as she visits Cyfarthfa High School and Castle on April 26, 2012 in Merthyr, Wales. The Queen and Duke of Edinburgh are on a two day visit to Wales as part of their Diamond Jubilee tour of the country. (Photo by Chris Jackson WPA - Pool/Getty Images)
MERTHYR, WALES - APRIL 26: Queen Elizabeth II holds an umbrella during a rain shower as she visits Cyfarthfa High School and Castle on April 26, 2012 in Merthyr, Wales. The Queen and Duke of Edinburgh are on a two day visit to Wales as part of their Diamond Jubilee tour of the country. (Photo by Chris Jackson WPA - Pool/Getty Images)
Britain's Queen Elizabeth II shelters from the rain under an umbrella as she hosts a garden party at Buckingham Palace, in central London. (Photo by Dominic Lipinski/PA Images via Getty Images)
Britain's Queen Elizabeth II shelters from the rain under an umbrella as she hosts a garden party at Buckingham Palace, in central London. (Photo by Dominic Lipinski/PA Images via Getty Images)
CASTLE DOUGLAS - UNITED KINGDOM - JULY 14: Queen Elizabeth II looks out from under an umbrella whilst visiting Wallets Marts, where she observed sheep shearing, on July 14, 2010 in Castle Douglas, Galloway, Scotland. The Queen and Duke of Edinburgh met members of the farming community and attended a livestock show while touring rural Dumfries and Galloway. (Photo by Andrew Milligan - WPA Pool/Getty Images)
Queen Elizabeth II takes shelter under her umbrella, as she and the Duke of Edinburgh arrive at the Garrison in Halifax, Nova Scotia, Canada, at the start of her nine-day tour of the the country. (Photo by John Stillwell/PA Images via Getty Images)
HALIFAX, NS - JUNE 28: Queen Elizabeth II arrives at the Garrison on June 28, 2010 in Halifax, Canada. The Queen and Duke of Edinburgh are on an eight day tour of Canada starting in Halifax and finishing in Toronto. The trip is to celebrate the centenary of the Canadian Navy and to mark Canada Day. The royal couple will make their way to New York where the Queen will address the UN and visit Ground Zero on July 6. (Photo by John Stillwell - WPA Pool/Getty Images)
The Queen With The Duke Of Edinburgh And Princess Alexandra At The 2009 Derby Festival At Epsom Racecourse. (Photo by Mark Cuthbert/UK Press via Getty Images)
BURSA - MAY 14: Queen Elizabeth ll takes shelter under an umbrella and wears a headscarf as a mark of respect when she visits the Green Mosque complex on the second day of a state visit to Turkey on May 14, 2008 in Bursa, Turkey. (Photo by Anwar Hussein/WireImage)
BELFAST, NORTHERN IRELAND - OCTOBER 6: (NO PUBLICATION IN UK MEDIA FOR 28 DAYS) Queen Elizabeth ll chats with disabled soldiers of the Royal Irish Regiment and their families on October 6, 2006 in Belfast, Northern Ireland. (Photo by Pool/Anwar Hussein Collection/Getty Images)
LONDON - MARCH 29: (NO PUBLICATION IN UK MEDIA FOR 28 DAYS) Queen Elizabeth ll shelters under an umbrella as she visits the new National Tennis Centre in Roehampton on March 27, 2007 in London, England. (Photo by Pool/Anwar Hussein Collection/Getty Images)
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