With the exception of a few rare vocals on drippy ballad Everytime, the US singer has been miming her way through her worldwide Circus tour.However it appears she's now decided to up the ante, trying something a little different for gig-goers in Greensboro, NC.
Britters looked confident as she belted out a cover of ALANIS MORISSETTE'S You Oughta Know.
And it appears fans were impressed as they roared in approval afterwards.
Britney’s tour continues on Tuesday in Detroit, Michigan, with a number of Midwest and West Coast dates still to come.
