Britney Spears Makes a Big Announcement on 'Good Morning America'

Amid the Oscars hoopla, Britney Spears delivered a special message on Good Morning America today. Buzz surrounding Brit's big announcement has been growing, so what exactly did she have to share?

The singer announced that she will be performing for the first time ever in a special concert in San Francisco on GMA, Tuesday, March 29!

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Her live concert comes two days before the big release of her highly-anticipated album, Femme Fatale!

Will.i.am posted a very brief listen from his collaboration with Britney on his blog today of the track they collaborated on titled "The Big Fat Bass," MTV News reported.

The  sound bite opens up with the electronically altered voice of Will.i.am singing, "Big fat bass/the big fat bass," before Brit joins in singing, "I can be the treble, baby/You can be the bass/You can be the bass."

Catch Brit's message on GMA below.