It has been a rough year for Rihanna, but the sexy singer is finally getting back onto the social scene. She was spotted hanging out with fellow rocker, Pink at the Beaterator Lounge at the House of Hype Director's Dinner, which was presented by Esquire and Nivea for Men. According to a fellow partygoer, "Rihanna was in a great mood, chatting it up with her friends." Even former 'NSync member Lance Bass got in on the action. He toasted Rihanna and her amazing career as the rest of the guests cheered.