Bill Clinton totally got the treatment from celebrities on his belated birthday celebration. Usher ripped his pants in front of the former U.S. president while Lady GaGa raised her middle finger and danced suggestively in front of him and his family. "A Decade of Difference: A Concert Celebrating 10 Years of the William J. Clinton Foundation" was held in Los Angeles on Saturday, October 15. The highlight of the day was when GaGa changed her hit "Bad Romance" to "Bill Romance". "I'm 25 and just four years ago I was living in a teeny tiny apartment in New York, praying...