How to join the 'Dancing With the Stars' season 21 premiere in Los Angeles

HOLLYWOOD, LOS ANGELES (KABC) -- How'd you like to be part of the opening premiere of "Dancing With the Stars" season 21? The show is planning its biggest opening number ever, and you may have a chance to be a part of it.

Anyone interested is asked to learn the dance on YouTube and show up to the legendary El Capitan Theatre in Hollywood on Thursday at 9 p.m.

Learn the dance with help from pros Val Chmerkovskiy, Derek Hough, Sharna Burgess and Witney Carson:

For more information and to our RSVP to the event, visit https://www.facebook.com/events/1649120912002986.

"Dancing with the Stars" returns on Monday, Sept. 14 at 8 p.m. on ABC with a sensational two-hour season premiere.