Liv Tyler & David Gardner
The daughter of Steven Tyler shared a photo of the special day. In the caption, she wrote, "What a special day. A royal wedding !!!! Congratulations Eugenie and Jack. Thank you @stellamccartney for my amazing look."
Demi Moore
For the ceremony, the actress dazzled in a classy red Stella McCartney dress and matching red fascinator.
Ricky Martin, Jwan Yosef & Laura Brown
"After the wedding, there's the...parking lot," Brown captioned the group selfie.
Demi Moore
Stella McCartney shared a peek at the black gown she designed for the evening reception on her Instagram.
Demi Moore, Naomi Campbell, Kate Moss & Lila Moss
The ladies gathered together for a group photo at the reception.
Cara & Poppy Delevingne & Friends
Liv Tyler shared a photo of the party's aftermath with the caption: "Post royal wedding."
Robbie Williams & Ayda Field Williams
The wife of the superstar shared the photo with the caption: "Celebrating The Bride & Groom on an evening of love and a lifetime of happiness....To Eugenie and Jack"
Cara, Poppy & Chloe Delevingne & Derek Blasberg
Blasberg was a "Delevingne for a day" when he escorted the sister's to the wedding at St. George's chapel.
Holly & Isabella Branson & Joan Templeman
"Ladies in navy celebrating the most glorious of days. The love in the air was palpable. Love you guys with all my heart and here's to a very happy future. #navyladies," Holly Branson shared on her Instagram.
Jack Whitehall & Jamie Redknapp
The actor shared a heartfelt message to the bride and groom on their wedding day. "Royal Wedding, Windsor Castle, in the presence of the Queen and I end up sat next to low rent footballer. I had to start pretending he was a dignitary called Rupert Redknapp The Duke of Hampton. An incredible day, seeing two of the kindest and most lovely people in the world tie the knot. Wish them a very happy life together. Congrats Jack and Euge!! #royalwedding," he wrote.
Jack Whitehall, Jamie Redknapp & Sam Branson
The three A-listers were three peas in a pod at the royal wedding.
Amit Bhatia
The British-Indian businessman and his date enjoyed the sights at Windsor Castle.