Frankie Muniz, Nick Lachey, a Property Brother, and Barbara from Shark Tank top the list.
Nick Lachey
Where have you seen them before? 98 Degrees and all over your TV.
Dancing partner: Peta Murgatroyd
Can they dance? While 98 Degrees was not known for their coordinated dance choreography, Nick's brother Drew has won the show before. No pressure!
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Vanessa Lachey
Where have you seen them before? Former host of TRL, wife to Nick Lachey.
Dancing partner: Maks Chmerkovskiy
Can they dance? Honestly, I don't know!
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Frankie Muniz
Where have you seen them before? Malcolm in the Middle.
Dancing partner: Witney Carson
Can they dance? If he's anything like his TV Dad, yes.
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Nikki Bella
Where have you seen them before? 1/2 of the Bella Twins of WWE and Total Divas fame. She's also John Cena's fiancé.
Dancing partner: Artem Chigvintsev
Can they dance? Looks like it.
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