Kirstie Alley and Maksim Chmerkovskiy perform on ABC's "GMA" (Getty)

Kirstie Alley and Maksim Chmerkovskiy perform on ABC's "GMA" (Getty) Credit: Kirstie Alley and Maksim Chmerkovskiy perform on ABC's "GMA" (Getty)

Here's who they'll be dancing with!

ABC competition show "Dancing With the Stars" announced its celeb-pro matchups Monday for its upcoming all-star season, which features contestants who've already given it a go on the dance floor.

Among the notable pairings are Pamela Anderson and Tristan MacManus; Kirstie Alley and former partner Maksim Chmerkovskiy, Bristol Palin and former partner Mark Ballas, Gilles Marini and Peta Murgatroyd, Season 2 winner Drew Lachey and Anna Trebunskaya, former winner Shawn Johnson and Derek Hough, and Emmitt Smith and Cheryl Burke.

Also dancing: Melissa Rycroft and Tony Dovolani, Apolo Anton Ohno and Karina Smirnoff, Helio Castroneves and Chelsie Hightower, Joey Fatone and Kym Johnson, and Kelly Monaco and Val Chmerkovskiy.

A 13th celeb dancer is being voted on by the public through Aug. 24. The season premieres Sept. 24 at 8 p.m. 

Pot shops generate millions ... Fire at Jericho condo ... What's up on LI Credit: Newsday

Jericho condo fire ... English Regents scores up ... One mega jackpot! ... Migrants' plight

Pot shops generate millions ... Fire at Jericho condo ... What's up on LI Credit: Newsday

Jericho condo fire ... English Regents scores up ... One mega jackpot! ... Migrants' plight

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