Glee Cast Doesn't Stop Believing on X Factor

The Glee cast is a hit on both sides of the Atlantic.

With the exception of Chris Colfer, who was stuck in Los Angeles filming scenes for an upcoming episode, all of the young, lovable stars of this Fox hit performed their Grammy-nominated version of "Don't Stop Believing" on last night's episode of X Factor in Great Britain.

Check out Lea Michele, Cory Monteith and company in action now:

Glee on X Factor