Guests were treated to a a private viewing of the royal exhibition dedicated to the Princess' nuptials at Windsor Castle on Wednesday evening.
Fashion industry heavyweights including Sandra Choi, creative director of her uncle Jimmy Choo's global brand, Eugenie's bridal makeup artist Hannah Martin and Peter Pilotto himself were present on the night.
The Queen's granddaughter also celebrated her 29th birthday on Saturday.
Her parents, Prince Andrew and Sarah Ferguson, were quick to mark the special occasion by sharing sweet tributes to their youngest daughter on Twitter and Instagram.
It was certainly a birthday to remember for the Princess as she carried out her first public engagement with new husband Jack the same day.
The newlyweds paid a visit to the Royal National Orthopaedic Hospital in London to open the new Stanmore Building along with Prince Andrew.