Other fan favorite dance pros Karina Smirnoff, Tony Dovolani, Mark Ballas, Val Chmerkovskiy and Peta Murgatroyd are also returning to the ballroom.
Ultimately, the and Olsen's knowledge of Ledger's drug abuse was never questioned further, but that hasn't stopped the whole thing from being super, super weird.
Pressed at one point for an answer, Mary-Kate claimed the twins had just found out about the project and were surprised nobody spoke to them about it before, including co-star John Stamos.
Thank you for all the love!! Brother-sister duo Derek and entered the show as professional dancers, but have since branched out into their own acting careers.