Posted on Wed May 25, 2011 12:05 PM PDT
Jimmy kimmell aired a "new" performance of Britney Spears singing Big Fat Bass.
But it's not too hard to tell it was recorded a few months ago when Spears appeared on the late night show to promote her latest album Femme Fatale.
Her latest performance with Rihanna at the Billboard Music Awards last week in Las Vegas was a tad bit more titallating than this one.
Britney Spears, Demi Lovato And Simon Cowell Chat About Their Chemistry On The X Factor - Jul 24, 2012
Britney Spears Gets Harsh On The X Factor - Jul 11, 2012
Britney Spears Reveals X Factor Game Plan - Jul 10, 2012
Britney Spears Tweets Bikini Pic While Vacationing In Hawaii - Jul 05, 2012
Britney Spears And Family Say Aloha To Paradise - Jul 05, 2012