Kirstie Alley, Bristol Palin and Pam Anderson Credit: ABC

A baker's dozen of Hollywood celebs are ready to dance again!

On Friday, ABC announced the almost-complete list of stars competing in the first-ever edition of Dancing With the Stars All-Stars.

Premiering Sept. 25, the very special edition of the smash reality dancing competition culls previous champions and fan favorites from earlier seasons of the show. In a twist, the network announced 12 stars -- with the 13th competitor to be chosen by via votes online.

Which DWTS celebs definitely brushing up on the cha-cha and fox trot? Check out the list below!

Actress and author Kirstie Alley
Model and actress Pamela Anderson
Race car champ Helio Castroneves
'NSync singer Joey Fatone
Gold medal gymnast Shawn Johnson
98 Degrees singer Drew Lachey
Hunky Sex and the City actor Gilles Marini
Soap star Kelly Monaco
Speed skater Apolo Ohno
Reality star, political daughter Bristol Palin
Bachelor star Melissa Rycroft
NFL star Emmitt Smith

Plus, the Viewer's Choice All-Star choices -- vying for the final, 13th slot to be determined by view -- are:

Cheetah Girls singer/actress Sabrina Bryan
Disney star Kyle Massey
Celeb stylist and TV star Carson Kressley

Tell Us: Who will you root for this season?