It’s been a whirlwind few weeks for the Kardashians. The sister trio, Kim, Khloe and Kourtney, who became reality-TV royalty on their show “Keeping up With the Kardashians,” are debuting a new clothing line, their brother, Rob Kardashian, is one of the celebrity contestants on season 13 of “Dancing With the Stars,” and who could forget, Kim, who recently tied the knot to NBA player Kris Humphries in a larger than life ceremony.

Thirty-year-old Kim Kardashian exchanged vows on Aug. 20 with the 26-year-old New Jersey Nets player at a black-tie event held at a Montecito, Calif., estate and that more than 450 guests attended.

But Kourtney, Kim  and Khloe Kardashian were  on “ Good Morning America“ today to also talk more about another big event —  the launch of their new Kardashian Kollection at Sears. Still, details from Kim’s wedding, a spectacle that will air as a special on E! in October, and brother Robert Kardashian’s new gig on “Dancing With the Stars,” kept spilling out.

“We’ll fly out and go see his first dance. So we’re really excited about that I’m really nervous because I see similarities with me in my brother and I know he’s so shy,” Kim said.

All of his sisters will be there for the premiere, but it’s Khloe who says she’s taking on the role of “stage mom.”

“I’m going home today back to L.A. and I’m actually going to his rehearsals to make sure he’s doing a good job. I’m like, ‘I’m going to be your stage mom.’ … He needs to like get it together and have confidence. No one expects you to be a professional dancer, but try your hardest and have confidence.”

“He’s really nervous,” Kourtney added.

Despite the new clothing line and Rob’s “Dancing With the Stars” appearance, no one could stay away from the topic of Kim’s recent wedding extravaganza. “I was actually really, really calm that day,” Kim told “ Good Morning America.” “I wish I had more time to really enjoy the wedding because there’s so much going on. You’re running around. Now I look back, I’m like, that day happened so fast, I wish I had more time.”

Sister Khloe took the opposite wedding route, planning for only nine days before she said “I do” to L.A. Laker Lamar Odom but said she’d warned Kim that the day would fly by. “I told her because it does. It goes by so quickly, and you can always renew your vows, but you’ll never be able to get that exact moment and energy back,” Khloe said. “So I said what someone told me, you and your husband at your reception, go into a corner by yourself and look at the scene, and look at your loved ones dancing and enjoying that moment.”

“We were trying … every time we would try someone was pulling us this way or that way, or family photos, here or there,” Kim said.

What about rumors that the sisters are racing to get pregnant? Not true.

“I think it would be fun if it was all at the same time,” Kourtney said.

“I don’t know how realistic that all is,” Kim said. “I kind of want to enjoy my marriage and enjoy each other. Whatever is meant to be will be.”