The season's youngest entrant is 14-year-old actress Willow Shields, who's appeared in The Hunger Games series; she'll partner up with Mark Ballas.
LMFAO's RedFoo, son of Motown founder Berry Gordy, Jr., will partner up with Emma Slater this season.
Grammy-winning singer Patti LaBelle, 70, will pair up with Artem Chigvintsy this season.
Shark Tank's Robert Herjavec will dip into the DWTS pool alongside partner Kym Johnson.
Solider Noah Galloway, the inspirational war hero who lost an arm and part of his leg in an IED attack, will take the floor with Sharna Burgess.
Ex-Glee hunk Riker Lynch, who played Jeff S. Sterling on the Fox hit, is slated to join with dancer Allison Honker this season.