NEW YORK (AP) -- Sixteen celebrities from the worlds of entertainment, sports and politics will be kicking up their heels on the new season of "Dancing With the Stars."
The show's largest cast ever, announced Monday, features singers Mya, Macy Gray and Aaron Carter; actors Ashley Hamilton, Melissa Joan Hart and Debi Mazar; and models Joanna Krupa and Kathy Ireland.
Contestants also include reality stars Mark Dacascos and Kelly Osbourne; entertainer Donny Osmond; mixed martial artist Chuck Liddell; professional snowboarder Louie Vito; Olympic swimmer Natalie Coughlin; former Dallas Cowboys wide receiver Michael Irvin and former Republican Majority Leader Tom DeLay.
"Dancing to me is something I've always really wanted to be able to do but never had the confidence," Kelly Osbourne told Ryan Seacrest on his KIIS-FM radio show Monday morning. "I'm not very graceful."
Osbourne said that fear was the main deciding factor.
"It's the main reason I wanted to do it," she said. "I've wanted to do something different, something that scared me and nothing scares me more."
Last week, Entertainment Tonight reported that the new, larger cast was programmed as a means of creating variety from season to season, as well as in order to fill the two-hour time slot.
Executive producer Conrad Green told ET that halfway through the season, there will be a series of three double eliminations, dropping half the cast within three weeks.
The ninth season of the hit ABC show premieres Sept. 21.
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