Bindi Irwin Whips and Nae Naes for 'Dancing With the Stars'

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Bindi Irwin and the rest of the Dancing With the Stars season 21 cast are giving fans a preview of their dance moves by showing how they Whip and Nae Nae in a series of promos.

The clips, posted to YouTube, show the stars performing the nation's latest craze to Silento's "Watch Me," and we're already getting a feel for who's really up for the challenge and who will have to rely on personality and charm to win votes every week.

WATCH: Bindi Irwin Steps Out in Costume for 'DWTS' Photo Shoot

Bindi started her video with a snake draped around her shoulders a la Britney Spears, but also a la herself, as she was first introduced to the world as one of her dad's, Steve Irwin, little crocodile hunters-in-training.

The 17-year-old TV presenter was the first celebrity cast member announced for the upcoming DWTS season, and she admitted that she is already getting butterflies.

"The judges scare me more than crocodiles," Bindi joked earlier this month, adding that she's very excited to compete.

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Bindi will be going head-to-head against GRAMMY winner Chaka Khan, Triple Crown-winning jockey Victor Espinoza, Backstreet Boy Nick Carter, actors Alexa and Carlos PenaVega, YouTube star Hayes Grier and singer-songwriter Andy Grammer.

From the looks of it, Alexa and Carlos might be the ones to beat, as they look the most natural. Nick has clearly been keeping up with his boyband choreography, but is he actually having fun? The look on his face seems laser focused.

And Espinoza might have to stick with horse-centric dances (think "Gangnam Style") if he wants to be a real contender for a mirror ball trophy.

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Check out the videos to see for yourself! Dancing With the Stars returns to ABC Monday, Sept. 14.