Taking a break from pop, the star went back in time to the 80's to rock out to some of that decades greatist hits. She must have paid a back stage visit also as star of the show, Shane Ward lated tweeted that Britney was "lovely and looks really well".
Britney has just finished her London dates of a UK tour and today is back on stage in Newcastle.
Rock of Ages was a huge hit across the pond on Broadway with celebs and is now being made into a film with Tom Cruise as well as a host of other stars.
Book Rock of Ages tickets online now.
[posted by Louise, 02/11/2011]