HAIRSPRAY & GREASE Stars Set for 21st Season of 'Dancing With the Stars'

On this morning's GOOD MORNING AMERICA, the celebrity cast of the 21st season of DANCING WITH THE STARS was revealed. Click here to check out the list in full!

Among this year's cast is Alexa PenaVega (formally Alexa Vega), who made her Broadway debut in 2007 when she played Penny Pingleton in the Tony Award winning musical HAIRSPRAY. The actress is known worldwide for her role as Carmen Cortez in four blockbuster "Spy Kids" films, as well as "Machette Kills" and "From Prada to Nada."

Fans of the ABC hit drama "Nashville" also know her for her turn as Kiley Brenner. She is partnered with dance pro Mark Ballas.

Joining Alexa in the cast is her husband, actor and singer Carlos PenaVega, who shot to fame and cult status after starring on the highly successful Nickelodeon musical comedy "Big Time Rush" as Carlos Garcia, which also took to the road and toured with the ensemble cast around the globe. FOX recently announced that PenaVega will join Aaron Tveit, Vanessa Hudgens, Julianne Hough and Keke Palmer in GREASE LIVE, in which he will portray Kenickie.

Having studied musical theater at the Boston Conservatory, Carlos recently released his first solo single in Spanish, "Electrico," which charted in the Top 10 on the Latin iTunes songs charts. Carlos is partnered with Witney Carson on the upcoming season of Dancing With the Stars.

Watch the couple in an all-new promo for the new season below:

The new season of DANCING WITH THE STARS premieres MONDAY, SEPTEMBER 14 (8:00-10:01 p.m., ET) on the ABC Television Network.

Photo Credit: Lisa Connor/ZUMAPRESS.com