Al Sharpton, Janet Jackson, Prince Michael Jackson II (AKA Blanket), Brooke Sheilds, La Toya Jackson, Paris Katherine Jackson and Ken Stacey sings at the Michael Jackson public memorial service held at Staples Center in Los Angeles, July 7, 2009. Mariah Carey, Stevie Wonder and Usher led an emotional public memorial for Michael Jackson on Tuesday as the music world, the Jackson family and thousands of fans bade farewell to the "King of Pop." REUTERS/ Kevork Djansezian/Pool (UNITED STATES ENTERTAINMENT OBITUARY)