NEW YORK (AP) -- Sixteen celebrities from the worlds of entertainment and sports will be tango-ing and foxtrotting on the new season of "Dancing With the Stars."

The show's largest cast ever includes singers Mya and Macy Gray; actors Melissa Joan Hart and Ashley Hamilton; model Kathy Ireland; reality star Mark Dacascos; former Dallas Cowboys wide receiver Michael Irvin and entertainer Donnie Osmond.

The ninth season of the hit ABC show premieres Sept. 21.

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