Britney Performing At iHeart Radio?

Britney Tweeted fans she’ll be at the iHeart radio festival next weekend, People.com claim she’s introducing an act, but their Facebook page says homegirl is PERFORMING.

Britney Performing At iHeart Radio?

Work it out! Work it out! Work it out! Work it out! Work it out! Work it out!

UPDATE: They deleted their receipts. Guess they made a mistake!