Previously only a rumor, it is now confirmed that Lea Michele and her co-stars are to appear on the semi-finals.
It is now confirmed that the cast of "Glee" would fly across the pond to appear on "The X Factor". This would be the first time the group appear live on a TV stage outside the U.S. "Glee" would perform during semi-finals weekend on Sunday, December 5.
Lea Michele, Cory Monteith, Amber Riley, Kevin McHale, Chris Colfer, Mark Salling, Dianna Agron and the rest of the main cast are confirmed to participate along with recurring character Chord Overstreet. However, AP said Matthew Morrison and Jane Lynch would not be joining them.
What have not been revealed are whether the remaining contestants of the "X Factor" would perform with them and what would they present.
Meanwhile, tickets to "Glee" road tour in U.K. will go on sale on Friday, November 26 at LiveNation.co.uk at 9 A.M. Set to kick off on June 22 at Manchester's MEN Arena, "Glee Live! In Concert!" is a unique concert experience that will include live performances of some of the show's most memorable musical numbers from seasons one and two.