ET joined Aaron Carter and his pro partner Karina Smirnoff at their “Dancing with the Stars” rehearsal, where they dished on preparing for the rumba, and Aaron revealed whether he’s asked out his ballroom crush, “Dancing” pro Chelsie Hightower!

“She respectfully rejected,” Aaron tells us. “But it was respectful.”

When asked by ET if he has an ideal first-date scenario in mind, Aaron said, “I’m going to keep it professional right now. I respect her. She wants to win, also, with her partner. And I don’t want to jeopardize that and I don’t want to get in their way.”

“I think it would be only respectful to Louie [Vito] and Chelsie that the lovebirds wait until the end of the season,” Karina playfully added. 

On preparing to dance the rumba, Karina explained: “Rumba is the ultimate man-woman dance, and this is the only dance where [the] man’s sole job is to give the woman the opportunity to develop the dance to the maximum.”

“This dance is getting hard though. It’s getting difficult — very difficult,” Aaron admitted.

Click the video for more with the “Dancing” duo! Then, watch them perform the rumba on “DWTS” tonight at 8 p.m. on ABC. [Source]