Tyson Beckford and Keri Hilson danced the night away at Andre Harrell's 50th birthday party on Saturday night in New York City. Everybody who is somebody was on-hand to celebrate the music mogul's big day. Diddy tweeted: "Just left the best birthday party of my life for my hero for Andre Harrell! I thank God for him! Because of him there is a Me! Love you Dre!"