Christina Aguilera, Cee Lo & More To Peform At Michael Jackson Tribute Concert

Christina Aguilera performs onstage during The 53rd Annual Grammy Awards held at Staples Center in Los Angeles, Calif., on February 13, 2011 Christina Aguilera performs onstage during The 53rd Annual Grammy Awards held at Staples Center in Los Angeles, Calif., on February 13, 2011

Christina Aguilera is lending her voice to a Michael Jackson tribute concert planned for October in Wales.

Organizers of “Michael Forever — The Tribute Concert” announced Thursday that Aguilera would be joined by members of the Jackson family, Cee Lo Green, Leona Lewis and the band Alien Ant Farm, which is known for its cover of Jackson’s song “Smooth Criminal.”

The announcement came after more than two weeks of silence about performers for the Oct. 8 show at Millennium Stadium in Cardiff, Wales.

While the event is endorsed by the singer’s mother and some of his siblings,brothers Randy and Jermaine Jackson have protested its timing. The concert is scheduled during the trial of a doctor charged in Jackson’s death.

The singer’s estate is also not affiliated with the concert.

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