MTV.com News — John Mayer, Jennifer Hudson, Brooke Shields, brother Jermaine, others also pay tribute to the King of Pop.By Gil Kaufman Mariah Carey and Trey Lorenz perform at the Michael Jackson memorial service on Tuesday Photo: Kevork Djansezian/Getty Imag... more info

Yahoo! Music UK — world entertainment news - Mariah Carey, Jennifer Hudson, Usher, Lionel Richie and Smokey Robinson have been confirmed as participants in Tuesday's Michael Jackson memorial in Los Angeles. more info

MTV.com News — The 12-year-old, who toured with 'Thriller Live,' performed 'Who's Lovin' You.'By Eric Ditzian Shaheen Jafargholi performs at the Michael Jackson public memorial service held at Staples Center on Tuesday in Los Angeles, California Photo: Kevork... more info

TMZ — Filed under: Usher Looking dapper as ever, Usher Raymond landed in L.A. last night -- ahead of today's memorial service for Michael Jackson at the Staples Center, where he is set to participate.The memorial starts at 10am -- we'll be live streaming... more info

411 Mania — Big stars set to appear... more info

Reuters — LOS ANGELES (Reuters) - Singers Mariah Carey, Stevie Wonder, Usher and Lionel Richie, and Motown records founder Berry Gordy, will be among those taking part in Michael Jackson's memorial on Tuesday, the family's spokesman said. more info

Scotsman.com — STEVIE Wonder, Mariah Carey and Lionel Richie are to attend Michael Jackson's memorial today. Usher and Brooke Shields will also appear at the service in Los Angeles, th more info

Scotsman.com — STEVIE Wonder, Mariah Carey and Lionel Richie are on a star-studded guest list to attend Michael Jackson's memorial service. Usher and Brooke Shields will also appear at t more info

L.A. Times - Entertainment — Elizabeth Taylor has not yet confirmed, but Mariah, Kobe, Usher and Smokey are in. more info

NME — Usher, Jennifer Hudson also set to take part more info