Dancing with the Stars

What's a dancing star without a pro partner? ABC has officially unveiled the 16 pairings for Season 9 of Dancing with the Stars. What do you think of these matchups?

Aaron Carter and Karina Smirnoff: Let's hope he does a better worm than Steve Wozniak.

- Olympic swimming champ Natalie Coughlin and Season 1 winner Alec Mazo: Mazo's making his first appearance since Season 7.

Iron Chef America's Mark Dacascos and Lacey Schwimmer: Will she be the secret ingredient to his success? 

- Former House Majority leader Tom DeLay and two-time champ Cheryl Burke: Can she become the first pro to win three Mirrorballs?

Macy Gray and Jonathan Roberts: Roberts was eliminated first last season with Belinda Carlisle.

Ashley Hamilton and Edyta Sliwinska: Sliwinska and Hamilton's father, George Hamilton, finished in sixth place in Season 2.

Melissa Joan Hart and Mark Ballas: Ballas is the defending champ, vying with Burke to become the first pro to win three Mirrorballs.

- Supermodel and entrepreneur Kathy Ireland and Tony Dovolani: Dovolani took bronze last season with Melissa Rycroft.

- Former Dallas Cowboy Michael Irvin and Anna Demidova: A Dancing newbie, Demidova won the pro dancer competition last season.

Superstars supermodel Joanna Krupa and Derek Hough: Hough won Season 7 with Brooke Burke.

- UFC champ Chuck Liddell and Anna Trebunskaya: Trebunskaya returns for her fourth season.

Debi Mazar and Maksim Chmerkovskiy: Chmerkovskiy was runner-up in Season 5.

Mya and Dmitry Chaplin: Chaplin was paired with Holly Madison in the eleventh hour last season after Jewel was injured.

Kelly Osbourne and Louis van Amstel: Van Amstel last danced with Priscilla Presley in Season 6.

Donny Osmond and Kym Johnson: Johnson's a two-time runner-up.

- Snowboarder Louie Vito and Chelsie Hightower: Hightower finished fourth last season with Ty Murray.