Dancing with the Stars to reveal new cast

This season's new cast of "Dancing with the Stars" will be revealed live, Tuesday, March 4th exclusively on "Good Morning America" on the ABC Television Network and ABC 33/40. The competition begins with an all new cast of celebrities who will brave the dance floor for the very first time. Each week these celebrities will leave their comfort zones and endure hours of grueling rehearsals to master technical choreography and entertaining performances. In the end, only one star be crowned champion and win the coveted mirror-ball trophy.

Erin Andrews joins "Dancing with the Stars" as host alongside Tom Bergeron for its 18th season premiering Monday, March 17th. Andrews is a pioneer in sports broadcasting and she competed on the 10th season of "Dancing with the Stars" making it all the way to the finals.