The stunning 19-year-old Irish actress wore a butterfly-print Valentino gown, Brian Atwood shoes, Rona Pfeiffer earrings, and a Graziela Gems ring.
Alice Eve donned a gorgeous purple lace gown by Alberta Ferretti.
Israeli actress Moran Atias, who will star in the new FX drama Tyrant, wore a white hot Tony Ward Couture dress, Lorraine Schwartz jewels, Amanda Pearl clutch, and Jimmy Choo shoes.
Also pictured is musician Sky Ferreira in a red hot Saint Laurent dress.
10+ pictures inside of Saoirse Ronan and Alice Eve at the Vanity Fair Oscars Party… More Here! »