PHOTO:Season 21 of ABC's "Dancing With the Stars" will see the return of popular pro dancers, including mirror ball champions Derek Hough, Karina Smirnoff and Val Chmerkovskiy.
VIDEO: Karina Smirnoff reveals her personal decision and why she decided to freeze her eggs.
VIDEO: Karina Smirnoff and Maksim Chmerkovskiy discuss leading cast of the new play "Forever Tango."
VIDEO: Derek Hough, Mark Ballas, Val Chmerkovskiy and Karina Smirnoff face off in "Two to Tango."
PHOTO: Karina Smirnoff and Jacoby Jones compete on "Dancing with the Stars" on May 13, 2013.
VIDEO: Apolo Ohno, Emmitt Smith join partners Karina Smirnoff and Cheryl Burke on "GMA."
VIDEO: Ralph Macchio and partner Karina Smirnoff discuss their final-four finish.
PHOTO: Karina Smirnoff and Ralph Macchio are shown on "Dancing with the Stars."