Amber Rose stepped out without Kanye West for hip-hop star Fabolous‘ birthday bash Wednesday night. Curvy Amber — wearing her trademark sunglasses, tight outfit and pink lipstick — was spotted chatting to the birthday boy at the bash at the Rivington Penthouse. Guests included Jay-Z, Sean “Diddy” Combs, Rick Ross, Adrienne Bailon and L.A. Reid.