Chris and the rest of the Glee Cast to appear on the X-Factor UK

Chris, as well as his Glee co-stars Lea Michele, Cory Monteith, Amber Riley, Jenna Ushkowitz, Kevin McHale, Mark Salling, Dianna Agron, Naya Rivera, Heather Morris, and Chord Overstreet, are set to appear on the December 05 episode of The X-Factor UK. It’ll be airing on Channel E4. [source]