Hailey Bieber flashes her underwear in a VERY racy sheer black dress at Tiffany party

Kim Kardashian & Hailey Bieber Reunite at Tiffany & Co's Lock Collection Launch Party

Kim Kardashian bonds with Hailey Baldwin at Tiffany's party after Kanye West slammed model

Hailey Bieber and Selena Gomez Are 'Glad to Have Cleared the Air,' Source Says