Eugenie turned 25 in March (15) while she was working in the U.S., so she held a belated party in Britain almost three months later at the Royal Lodge residence in Windsor, England.

According to Britain's The Sun newspaper, the royal dressed up as Disney character Snow White, while her cousin Prince Harry wore a Mario Bros. costume. Her sister Princess Beatrice donned a Finding Nemo-style outfit and their mother Sarah Ferguson, Duchess of York turned out in a dress inspired by Jessica Rabbit from 1988 movie Who Framed Roger Rabbit.

Guests also included model Cara Delevingne, Catherine, Duchess of Cambridge's brother James, his girlfriend Donna Air and TV personality Melinda Messenger.