Get ready to ring in the new year with Taylor Swift.
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"Call Me Maybe" sensation Carly Rae Jepsen and Brandy will also perform.
Swift will headline the Times Square performances, which will also include Jepsen and Neon Trees, with Seacrest hosting.
The West Coast festivities, which will be hosted by Black Eyed Peas chanteuse Fergie, will feature performances by Brandy, Flo Rida, Karmin, OneRepublic and Pitbull.
More performances will be announced in the future.
We'll let you figure out which day the broadcast airs.