Lady Bird star Saoirse Ronan's character rocks a pink prom dress in the film, but the best actress nominee chose a chicer style for her pink Oscars red carpet gown. Ronan's custom Calvin Klein By Appointment gown featured a strapless neckline and an elegant train . . . but that's not the feature your eye will be most drawn to. Around the back of the gown, a large silken bow turned the gown from something simple to a full-blown My Fair Lady-style delight!

Saoirse paired her gown with glittering drop earrings and a pair of baby pink heels to match the gown, then topped it all off with her hair in a chic bob. Check out every angle of the full look ahead, then catch up on the rest of the night's most unforgettable gowns [1].