Aldrin will be partnered with dancer Ashley Costa (formerly DelGrosso), who returns for her fourth season.
Pamela Anderson, Actress and Model
Anderson joins professional dancer Damian Whitewood, who makes his "Dancing with the Stars" debut this season.
Erin Andrews, ESPN Host
Andrews teams up with Maksim Chmerkovskiy, who returns for his eighth season.
Shannen Doherty, Actress
Doherty will dance with two-time "Dancing with the Stars" champ Mark Ballas, who returns for his sixth season.
Kate Gosselin, TLC Star
Kate Gosselin has the joy, frustration and honor of raising eight children -- twins and sextuplets -- in central Pennsylvania. Gosselin teams up with Tony Dovolani, who returns for his ninth season.
Evan Lysacek, Olympic Figure Skating Champion
Lysacek will dance with Anna Trebunskaya, who returns for her fifth season.
Niecy Nash, Comedienne and Host
Nash joins Louis Van Amstel, who returns for his sixth season on "Dancing With the Stars."
Chad Ochocinco, NFL Star
Ochocinco will hit the dance floor with two-time champion Cheryl Burke, who returns for her ninth season.
Jake Pavelka, "The Bachelor" Star
Pavelka joins Chelsie Hightower, in her third season.
Nicole Scherzinger, Pop Star
Scherzinger teams with Season 7 champ Derek Hough, who returns for his sixth season.
Aiden Turner, Soap Star
Turner will partner with Edyta Sliwinska, the only pro to compete in all 10 seasons of "Dancing with the Stars."