Bristol Palin, Pam Anderson Get Their ‘DWTS: All-Stars’ Partners

A 13th "Dancing With the Stars: All-Stars" contestant will be determined by online vote and announced Aug. 27

Bristol Palin will re-team with her old partner Mark Ballas when "Dancing With the Stars: All-Stars" premieres on Sept. 24. Meanwhile, Pamela Anderson will cut a rug with Tristan MacManus, and former Olympian Shawn Johnson will pair up with Derek Hough.

ABC announced the celebrity-pro dancer pairings for its upcoming "Dancing With the Stars" off-shoot Monday — well, most of them, anyway.

Also read: ABC Plans All-Star "Dancing With the Stars"

A 13th contestant, along with his or her professional partner, will be revealed on "Good Morning America" on Aug. 27. The three celebrity candidates for the final spot — Sabrina Bryan, Carson Kressley and Kyle Massey — will be culled down to one lucky winner by the show's fans, who can vote for their choice at (Voting closes Aug. 24 at 12 p.m.)

See the almost-complete list of "Dancing With the Stars: All-Stars" competitors below.

Kirstie Alley/Maksim Chmerkovskiy
Pamela Anderson/Tristan MacManus
Helio Castoneves/Chelsie Hightower
Joey Fatone/Kym Johnson
Shawn Johnson/Derek Hough
Drew Lachey/Anna Trebunskaya
Gilles Marini/Peta Murgatroyd
Kelly Monaco/Valentin Chmerkovskiy
Apolo Anton Ohno/Karina Smirnoff
Bristol Palin/Mark Ballas
Melissa Rycroft/Tony Dovolani
Emmitt Smith/Cheryl Burke