Rihanna just lifted up the Oscars to its feet! The music superstar got a standing ovation for her performance of Best Original Song nominee and "Wakanda Forever" theme "Lift Me Up" at Sunday's big show, and beau A$AP Rocky gave the moment an emotional cheers. Rih stunned on stage with her vocals and style, wowing in a two-piece outfit that featured a sparkly overlay to cover her growing baby bump.