Here’s What the Obamas Wore to Queen Elizabeth II’s Birthday Lunch

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Queen Elizabeth II, US President Barack Obama, US First Lady Michelle Obama and Prince Philip. JOHN STILLWELL/AFP/Getty

What does one wear to dine with the Queen? Take a cue from the Obamas, who visited Windsor, England, for a celebratory lunch the day after Her Majesty's 90th birthday on Friday, April 22.

First lady Michelle Obama, 52, opted for a vibrant fuchsia Oscar de la Renta frock with sweet floral details and flirty sheer sleeves. She paired the pink and purple number with a polished black clutch and matching black pumps.

President Obama, 54, donned a classic navy suit for the occasion, paired with a crisp white button-down and dress shoes. To spice it up, he added a necktie with diagonal blue stripes.

Queen Elizabeth II, who turned 90 on April 21, dressed in a pastel blue skirt suit by Angela Kelly embellished with bow-detailed pockets and silk buttons. Her Royal Highness accessorized with a Launer London handbag and black pumps, topping off the regal look with pearl earrings and a pair of matching blue brooches.

The Duke of Edinburgh, 94, who drove the Obamas from their helipad to the castle, matched the President in another navy suit, adding a pop of color with a burgundy tie and a white pocket square.

During the informal luncheon, which lasted 45 minutes, the Obamas gave the Queen a photo album "chronicling her visits with Presidents," which highlights the enduring friendship between the U.S. and the U.K., the White House confirmed to Us Weekly.

While the President and FLOTUS are in the United Kingdom, they will also meet with Prime Minister David Cameron and have dinner with Prince Harry and the Duke and Duchess of Cambridge, Prince William and Kate Middleton, at Kensington Palace. POTUS recently penned an op-ed for The Telegraph, pleading with Britain to stay in the European Union.

"Ultimately, the question of whether or not the UK remains a part of the EU is a matter for British voters to decide for yourselves," he wrote. "That said, when President [Franklin D.] Roosevelt toasted to our special relationship [with King George VI in 1939], he also remarked that we are friends who have no fear of each other. So I will say, with the candor of a friend, that the outcome of your decision is a matter of deep interest to the United States…The European Union doesn't moderate British influence — it magnifies it. A strong Europe is not a threat to Britain's global leadership; it enhances [it]. The United States sees how your powerful voice in Europe ensures that Europe takes a strong stance in the world."

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