A$AP Rocky just added fuel to the rumors that he and Rihanna are secretly married! After showing out alongside his «Fashion Killa» at Pharrell Williams' Louis Vuitton runway debut during Paris Fashion Week on Tuesday, the 34-year-old rapper took the stage for a Spotify Beach performance at the Cannes Lions Festival on Wednesday night.The 35-year-old superstar, who is expecting her second child with A$AP Rocky, was dressed to scintillate and dazzle in a sheer, form-fitting diamond-patterned jumpsuit over glittery black lingerie. In videos shared by fans on Twitter, Rihanna makes her way through the crowd to watch A$AP Rocky perform and then appears on a balcony overlooking the crowd, where she even dances along to her beau's performance.It was during A$AP Rocky's second set that the rapper set tags wagging.