'Dancing With the Stars' Unveils New Cast -- Including Patti LaBelle & LMFAO's RedFoo

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Patti LaBelle and Dule Hill attend the "After Midnight" Final Curtain Call at the Brooks Atkinson Theatre on June 29, 2014 in New York City.

Dancing With the Stars announced its season 20 celebrity cast Tuesday on Good Morning America, revealing 11 of 12 couples who will compete as part of the ABC reality competition's 10-year anniversary edition.

In a surprise twist, DWTS veteran Derek Hough-- who was believed to be out for season 20 due to his commitment at Radio City Music Hall's New York Spring Spectacular -- will return to the series and partner with gymnast Nastia Liukin

ABC is also hoping fans of its Friday staple Shark Tank tune in to see investor Robert Herjavec compete alongside pro Kym Johnson; openly gay NFL player Michael Sam is paired with Peta Murgatroyd; and Rumer Willis, the daughter of Demi Moore and Bruce Willis who is currently enjoying a stint at L.A.'s For the Record: John Hughes-- will be partnered with Valentin Chmerkovskiy. For Sam, the Dancing job comes after OWN postponed its planned docuseries featuring the former St. Louis Ram. 

'Dancing With the Stars' Announces Season 20 Professional Dancers

Witney Carson, who took home the season 19 Mirrorball trophy with Alfonso Ribeiro, was previously announced as a returning pro, but her celebrity partner will be revealed in the coming weeks. Longtime pro dancers Karina Smirnoff and Cheryl Burke will not return for the 20th season, but season 19 rookie Keo Motsepe will be back for another shot at winning the competition.

The 11 couples competing in season 20 are:

1. Noah Galloway (Men's Health 2014 Ultimate Guy) is partnered with Sharna Burgess
2. Robert Herjavec (Shark Tank investor) with Kym Johnson
3. Grammy winner Patti LaBelle with Artem Chigvintsev
4. Former Olympic gold medal gymnast Nastia Liukin with Derek Hough
5. Singer-songwriter Riker Lynch with Allison Holker
6. Model-actress Charlotte McKinney with Keo Motsepe
7. LMFAO's RedFoo with Emma Slater
8. Openly gay NFL free agent Michael Sam with Peta Murgatroyd
9. Actress Willow Shields (Hunger Games) with Mark Ballas
10. Actress/TV pitchman Suzanne Somers with Tony Dovolani
11. Actress Rumer Willis with Valentin Chmerkovskiy

The season 20 premiere airs March 16 at 8 p.m. on ABC.

This article originally appeared on The Hollywood Reporter