Katy Perry, Rihanna, Justin Bieber, Demi Lovato, Amber Riley and More Whitney Houston's Death

Feb 11th 2012 11:50PM As the world mourns the loss of singing great Whitney Houston, who died suddenly in Los Angeles today at the age of 48, celebrity singers used Twitter to pay their respects. Amber Riley, who plays... Read More » Feb 10th 2012 9:40PM