
News From Across The Pond: Kelly Brook talks dating, Cheryl's act Cher leaves X Factor and Rihanna, Christina Aguilera, Robbie and Will.i.am join contestants on stage

Dec. 12 2010, Published 5:42 a.m. ET
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Rihanna, Robbie, Christina Aguilera and Will.i.am join X Factor in duets (more)
Kelly Brook talks dating (more)
Cheryl Cole's act Cher Lloyd voted off X Factor (more)
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