Meet the 'Dancing With the Stars' Season 21 Celebrity Contestants

Bindi Irwin, Victor Espinoza, Chaka Khan, Hayes Grier, Alexa and Carlos PenaVega and Andy Grammer are among the stars getting ready to compete.
6:58 | 09/02/15

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Transcript for Meet the 'Dancing With the Stars' Season 21 Celebrity Contestants
up to be a great season. Lots of stars have already been revealed but the final four under wraps. We're going to reveal them right here this morning. First Tom Bergeron brings us a preview of what's to come. It's that time again. We're kicking off the latest season of "Dancing with the stars." ? You already know what it is ? And we're watching season 21 celebrates are sky high literally. ? So exciting. Reporter: Flying cross country with wheels up. Who paid to fly many of our contestants to New York. I'm excited to go to New York and fly with wheels up because I'm ready to kick some butt. See Ya. Reporter: From L.A. To new York. To New York. Reporter: All for "Gma's" live reveal. We're here! Yes, New York. Reporter: Of the star-studded lineup. ? Backstreets back all right ? Reporter: Back street boy nick Carter is back. Three, two, one. Reporter: Wildlife warrior bindi Irwin is ready to take on a new challenge. ? Chaka khan Chaka khan ? Reporter: And we're feeling Chaka khan. ? So no honey ? Reporter: Honey he's good Andy Grammer graced the ballroom before as a singer. How will he fare once his dancing shoes are on? And Oscar nominated actor Gary Busey, might he be the season's dark horse? What made you decide to do it. I didn't have anything else to do. Characters today we should be looking for. Here's stuff that can aslway well. Lego. One of the number one properties today on the market, Lego corporation is always a solid go for the licensed play sets. This one right here is a company edllca monster high done by mattel and these things go for $24 at market and go rdupwa15 0 once they're retired. Let me U, kids want th sese,dhoule let -- Ith them. Box, put them back when U'yo D breeseonauecy there, okay. Finally these guys, I love them Ou of washington,funco corporation, small little collectible urbanin vyl dolls, they retail for once they're retired they can go forhundreds, even thousands of dollars. That's what I hut my beanie babies. Still waiting, Jordan. I know. It's great stuff. Watching. Tom Bergeron right now here brought most of the cast of "Dancing with the stars" with him. We want to meet them. Let's welcome Chaka, Carlos, Alexa, victor, bindi and our pro, come on in here, Val, Val and Louis. Thank you so much, Tony, Keo and Lindsey, come on over, grab a seat. There's my man. All right. Let's start with bindi. You were just on our show, so great to see you and on the show, George, I don't know if you remember, bindi said the judges scared her, Tom, more than crocodiles. It's true. Really? It's true. You know, I think I'd rather take on a 15-foot crocodile because, you know, you guys are so amazing and you're truly -- you know exactly what you're talking about. I want to do a good job so I want to do the best job I possibly can and I am not used to any of this. I'm used to crock dies? We believe you. So crocodiles are way less scary. You though how they work. The judges -- I believe she believes it. I'm not convinced yet though. Carlos and Alexa, this is something brand new for "Dancing with the stars." Married couple. Competing. Has your family started to choose sides yet? Oh, yeah. No, I don't know. I mean for us we want to work really, really hard. Such a blessing and we've never done any kind of dancing before. So we'll let them decide. Yeah. So I don't even think they know what we're capable. We don't know. We'll see what happens. Are you guys competitive? I mean, a little bit. Okay, you know, I didn't think he was competitive until we were -- I was showing him some video footage of what we were learning and suddenly he was like, oh, I really have to step my game up. She's good. She's good. No, no, no, I'm learning but you were funny. I can see -- I think this is going to get -- I like it. I want to ask Chaka, great to see you. I'm hoping you will wear some of those killer looks you've been showing on instagram. Are you going for sort of that vibe for us. I'll be having some other costuming, I'm sure, but those are discuss my practice clothes. Warmed up. Practice clothing. Tom, hands full there. Oh, yeah. In many ways with this cast, it's going to be what I love most about live television. It really is. That unpredictable nature. Yeah. I just -- one shot of Gary Busey and I know I'm going to earn my money this season. Absolutely. So, you're coming off an amazing year, the triple crown. What made you jump to dancing? Different. I like challenge. I like speed. And I want to learn something that I never learned before, some of the moves that I always had like in my mind that I want to learn and it's all about like speed and just feel that I can reach somebody on a lynch level. We'll talk to Hayes in a second but, Tom, we have to get Very good. This is Gary bueverybody. Reporter: Vine star Hayes Grier has millions of followers but will that be enough to get the viewers' votes? American pharoa has won the triple crown. Reporter: Jockey vicr esnoza wonhe tple crown with hiss horse American pharoah T Wille be crowned the phaohra of the ballro and "Nashville" act Alexa penavega, can she take on the judges or enev her husband,arlos penavega, the first parmarried couple to come on "Dancing with the stars." The stars here live this morning and we can't stop Yeah, there's going to be some vines for sure. Is it true you're having trouble dancing in more than seven-second intervals. We go seven seconds and stop like a 30-minute break. That should work well. I'm excite the for it. We got all the pros here, as well and talk to you guys coming up in our next half hour and learn about the pairings, as well, a lot coming up on "Dancing with the stars." Premieres Monday, September 14th right here on ABC.

This transcript has been automatically generated and may not be 100% accurate.

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