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Adele Eyes 'X Factor' Appearance

8/7/2011 7:30pm EDT

AdeleSinging sensation Adele has turned down the chance to mentor wannabe stars on Britain's The X Factor - but she will perform at the show's grand final instead.

The Rolling in the Deep hit-maker was reportedly approached to appear as a guest mentor during the talent show's selection process, helping either Kelly Rowland or N-Dubz star Tulisa Contostavlos to choose their favorite acts.

However, she was forced to refuse the offer due to her hectic work schedule, and will duet with a contestant during the show's final in December instead, according to Britain's Daily Star Sunday.

A source tells the publication, "Simon is desperate to get Adele involved on this year's show. There's no denying Adele is the biggest singer in the world right now and Simon wants her to appear on both the U.K. and U.S. X Factors."

"He couldn't get her for the judges' houses stage, so he now wants her to sing with one of the contestants on the grand final in December."


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Photo Credits: PR Photos , Scott Gries, Getty for VH1