Joining DWTS Hosts Tom Bergeron and Brooke Burke-Charvet for the 17th season is Nicole "Snooki" Polizzi, Valerie Harper, Elizabeth Berkley, Amber Riley, Keyshawn Johnson, Corbin Bleu, Leah Remini, Christina Milian, Bill Nye, Brant Daugherty, Jack Osbourne, Bill Engvall and of course famous dancers Cheryl Bruke, Mark Ballas, Karina Smirnoff. Derek Hough, Valentin CHmerkovsky and more.