Actress Jennifer Hudson (C) sings during the memorial service for Michael Jackson at the Staples Center in Los Angeles, California, 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/Monica Almeida, Pool (UNITED STATES ENTERTAINMENT OBITUARY)