First Look at Dancing With the Stars Season 21
The Pros were back on the dance floor preparing for Dancing with the Stars Season 21 and ABC's Good Morning America was there to get a first look with past Mirror Ball champions Derek Hough, Mark Ballas and returning fan favorite Karina Smirnoff. Witney Carson, Valentin Chmerkovskiy, Allison Holker, Artem Chigvintsev, Peta Murgatroyd, Sharna Burgess also hit the dance floor to rehearse the opening number for the Season 21 Premiere, which airs MONDAY SEPT 14 8|7c on ABC. The final roster of Pros will be announced with their celebrity dancer partners WEDNESDAY SEPT 2 on Good Morning America.
WATCH: Rumer Willis and her partner Val Chmerkovskiy perform their perfect freestyle dance in the season 20 finale.