Video: Watch Britney Spears Wow With Sexy Shows in Vegas and SF!
Description:Britney Spears looked super sexy performing twice over the weekend, which was her first time on stage since 2009! Brit had a surprise show in Las Vegas on Friday, followed by her Good Morning America concert in San Francisco on Sunday. Brit sang three songs, "Hold It Against Me," "Till the World Ends," and "Big Fat Bass," at each of the venues to promote her upcoming album Femme Fatale - and we've got a look at her hot moves! Check out a lot more tomorrow on GMA!