“Rihanna had her own yacht moored nearby,” said a spy, “and Chris had been visiting her. But they came over to The Serene Sunday to join Leo with Swizz Beatz and Ludacris.” Our source added, “There were clearly sparks flying between Rihanna and Chris. They spent a lot of the night in deep conversation. It’s clear things are very good between them again. They seemed happy to be together.”