09/17/2009 05:12 am ET | Updated May 25, 2011

New 'Dancing' Stars Revealed: Tom DeLay, Melissa Joan Hart & More

It's going to be a crowded ballroom for Dancing with the Stars' ninth season. Sixteen celebrities -- including Donny Osmond, Melissa Joan Hart and Aaron Carter -- have signed on to do the cha cha and the paso doble on the ABC show, which premieres Monday, Sept. 21.

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