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."
For the ceremony, the actress dazzled in a classy red Stella McCartney dress and matching red fascinator.
"After the wedding, there's the...parking lot," Brown captioned the group selfie.
Stella McCartney shared a peek at the black gown she designed for the evening reception on her Instagram.
The ladies gathered together for a group photo at the reception.
Liv Tyler shared a photo of the party's aftermath with the caption: "Post royal wedding."
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"
Blasberg was a "Delevingne for a day" when he escorted the sister's to the wedding at St. George's chapel.
"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.
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.
The three A-listers were three peas in a pod at the royal wedding.
The British-Indian businessman and his date enjoyed the sights at Windsor Castle.