Janice Jacobs, of Camarillo, Calif., holds her tickets in front a large poster at the Staples Center in Los Angeles , Monday, July 6, 2009, where the memorial service for pop star Michael Jackson will be held on Tuesday. (AP Photo/Rick Bowmer)
Usher, Mariah going to Jackson memorial
Stevie Wonder, Mariah Carey, Kobe Bryant and Brooke Shields are slated to be part of the all-star tribute at Michael Jackson's memorial.
