Hailey Bieber kept it sleek and flirty in a soft pink Alexander Wang gown, turning heads with an open back, crystal thong detailing, and a high ponytail topped with a black velvet Hailey Bieber Wore a YSL Velvet Dress With Two Thigh High Leg Slits for Justin's Art Gallery Auction BY ALYSSA BAILEY JUL 27, 2021 haileybieber celebrating her birthday early in archival F W 1998 Thierry Mugler couture purchased from @tabvintage Styled by @danixmichelle Hailey Bieber's Plunging Dress Is Hanging by Just 2 Strings for TIME100 AOL Hailey Bieber stuns in form fitting red velvet gown as she shares glamorous new snaps ahead of her 27th birthday: 'Starting the bday week off early' Daily Mail Online