By Breaking Celebrity News Staff

Hours after ABC announced the star-studded cast of the 13th season of the Dancing with the Stars, the ensemble group immediately began promoting the upcoming season on Good Morning America Tuesday.

Chaz Bono -- the transgender daughter-turned-son of Sonny and Cher -- said his famous mother checked in with her upon hearing that he'll be taking the ballroom floor.

"She wanted to know how everything was going, if I was nervous," Chaz said.

Chaz, who will be dancing with a female partner on the show, said he's more confident taking the public dance floor a few years removed from his gender reassignment procedure.

"I wouldn't have even felt comfortable dancing with a male dance partner!" Chaz said.

Another high-profile entrant, David Arquette, told KIIS-FM host Ryan Seacrest Tuesday he'd like to get to know Bono, as he's had first-hand experience watching a sibling grow up with gender identity issues.

"Alexis, my sister, is transgender and I grew up with her and saw some of the struggles that she had,