Rumors have surfaced that Kanye West will join Rihanna at Sunday's NBA All-Star game to perform his new single, "All of the Lights," which features Rihanna, during the game's halftime show. The rapper has not been confirmed by NBA officials, but the rumors have come from multiple unconnected sources. Lenny Kravitz, Melanie Fiona, and Josh Groban, as well as Rihanna, have been confirmed for the game, which will be broadcast on TNT beginning at 7:00 PM EST.