'Dancing with the Stars" duo Karina Smirnoff and Maksim Chmerkovskiy have shimmied aboard the Broadway-bound "Forever Tango," The Associated Press reports. Producers said the pair will perform in the show at the Walter Kerr Theatre from July 9-28. Smirnoff is a mirror ball champion who won five U.S. National Championships. Chmerkovskiy has been on Broadway before in "Burn the Floor" in 2009.