Bindi Irwin reveals her biggest 'Dancing With the Stars' challenge - and it'll make you love her more

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Bindi Irwin Reveals Her Biggest 'DWTS' Challenge:  High Heels!

Bindi Irwin is ready to put on her dancing shoes!

ET was first to go behind the scenes at rehearsals for Dancing With the Starswith the new celebrity competitor, and the young Aussie couldn't contain her excitement over being paired with pro dancer (and fan favorite) Derek Hough.

"I was truly thrilled when I first found out that Derek was going to be my partner," the 17-year-old adventurer told ET on Thursday, who admitted to Derek that she has "admired" him for "many years" as a fan of DWTS.

WATCH: 17-Year-Old Bindi Irwin Is Dating! 'There Is Someone Special in My Life'

Bindi Irwin through the years:

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Bindi Irwin through the years
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Bindi Irwin reveals her biggest 'Dancing With the Stars' challenge - and it'll make you love her more
Steve Irwin with his wife Terri and daughter Bindi (Photo by John Stanton/WireImage)
SUNSHINE COAST, AUSTRALIA - APRIL 18, 2002: (EUROPE AND AUSTRALASIA OUT) 3-year-old Bindi Irwin, the daughter of 'Crocodile Huter' Steve Irwin and Terri Irwin, wearing a sample of her children's fashion label 'Bindi Wear' with large snake draped around her body at Australia Zoo. (Photo by Newspix/Getty Images)
SUNSHINE COAST, AUSTRALIA - NOVEMBER November 20, 2003: (EUROPE AND AUSTRALASIA OUT) 'Crocodile Hunter' Steve Irwin, who is Queensland's Australian of the Year 2004 state finalist, is congratulated by his daughter Bindi Irwin and wife Terri Irwin at Australia Zoo. (Photo by Newspix/Getty Images)
SUNSHINE COAST, AUSTRALIA - JUNE 25: (EUROPE AND AUSTRALASIA OUT) Bob, Steve and Bindi Irwin pose with 3yr old alligator Russ at Australia Zoo on June 25, 2005 on the Sunshine Coast in Australia. (Photo by MeganSlade/Newspix/Getty Images)
SUNSHINE COAST, AUSTRALIA - JUNE 25, 2005: (EUROPE AND AUSTRALASIA OUT) 'Crocodile Hunter' Steve Irwin with children, Bindi Irwin and Bob Irwin, at Australia Zoo. (Photo by Newspix/Getty Images)
BEERWAH, AUSTRALIA: Terri Irwin (2nd L), wife of Australian environmentalist and television personality Steve Irwin, sits with daughter Bindi (L), son Bob (3rd L) and Steve's father Bob (R) as they attend a memorial service for her husband at Australia Zoo in Beerwah, in the Australian state of Queensland, 20 September 2006. Family, friends, fans and movie stars bade a final farewell to 'Crocodile Hunter' Steve Irwin in a high-energy memorial service fuelled by laughter, tears and music. Irwin, known as the 'Crocodile Hunter', was killed 04 September by a stingray barb during a diving expedition. AFP PHOTO/POOL/STEVE HOLLAND (Photo credit should read STEVE HOLLAND/AFP/Getty Images)
BEERWAH, AUSTRALIA: Bindi Irwin, daughter of Australian environmentalist and television personality Steve Irwin (pictured R), reads out a speech about her father at a memorial service for her father at Australia Zoo in Beerwah, in the Australian state of Queensland, 20 September 2006. Family, friends, fans and movie stars bade a final farewell to 'Crocodile Hunter' Steve Irwin in a high-energy memorial service fuelled by laughter, tears and music. Irwin, known as the 'Crocodile Hunter', was killed 04 September by a stingray barb during a diving expedition. AFP PHOTO/POOL/STEVE HOLLAND (Photo credit should read STEVE HOLLAND/AFP/Getty Images)
BEERWAH, AUSTRALIA: Terri Irwin (C), wife of Australian environmentalist and television personality Steve Irwin, sits with daughter Bindi (L) and son Bob at a memorial service for her husband at Australia Zoo in Beerwah, in the Australian state of Queensland, 20 September 2006. Family, friends, fans and movie stars bade a final farewell to 'Crocodile Hunter' Steve Irwin in a high-energy memorial service fuelled by laughter, tears and music. Irwin, known as the 'Crocodile Hunter', was killed 04 September by a stingray barb during a diving expedition. AFP PHOTO/POOL/STEVE HOLLAND (Photo credit should read STEVE HOLLAND/AFP/Getty Images)
Bindi Irwin, daughter of the late "Crocodile Hunter" Steve Irwin, is interviewed on the NBC "Today" television program in New York Wednesday Nov. 21, 2007. Since her father's death, she worked on TV and finished a documentary series, "Bindi the Jungle Girl." Home schooled because of her schedule, she has her own clothing label, "Bindi Wear," a fitness DVD called "Bindi Kidfitness" and travels for the Australian tourism industry. (AP Photo/Richard Drew)
BRISBANE, AUSTRALIA - NOVEMBER 15: Robert and Bindi Irwin pose with a statue of the family that was unveiled today during 'Steve Irwin Memorial Day' at Australia Zoo on November 15, 2007 on the Sunshine Coast, Australia. Steve Irwin day is a celebration of the life of the late Steve Irwin, the enigmatic 'Crocodile Hunter' who was killed by a stingray barb to his chest on September 4, 2006 whilst filming a documentary in Queensland. Australia Zoo is celebrating his life by inviting people from around the world to join in remembering what Steve was famous for: family, fun and wildlife. (Photo by Bradley Kanaris/Getty Images)
SUNSHINE COAST, AUSTRALIA - JULY 24: Bindi Irwin celebrates her ninth birthday and the first without her father the late Steve Irwin, at Australia Zoo on July 24, 2007 on the Sunshine Coast, Australia. To celebrate her birthday, all kids can get in to Australia Zoo for free and Australian rock duo The Veronicas will play live in the Animal Planet Crocoseum. (Photo by Bradley Kanaris/Getty Images)
WASHINGTON - JANUARY 19: Terri Irwin (L) and Bindi Irwin (R) leave after a luncheon discussion at the National Press Club January 19, 2007 in Washington, DC. Terri Irwin and Bindi Irwin spoke about Crocodile Hunter Steve Irwin, their late husband and father respectively, and conservation. (Photo by Brendan Smialowski/Getty Images)
SUNSHINE COAST, AUSTRALIA - NOVEMBER 15: Robert and Bindi Irwin participate in a naming ceremony with Gubbi Gubbi elders during the second annual Steve Irwin Day celebrations at Australia Zoo on November 15, 2008 on the Sunshine Coast, Australia. Steve Irwin Day coincided with the opening ceremony of the new Australian Wildlife Hospital in honour of Steve Irwins mother Lyn Irwin who had been a pioneer in wildlife care in Queesnalnd, Australia. (Photo by Lisa Maree Williams/Getty Images)
SUNSHINE COAST, AUSTRALIA - NOVEMBER 15: Bindi, Terri and Robert Irwin attend the official launch of the Australian Wildlife Hospital at Australia Zoo on November 15, 2008 on the Sunshine Coast, Australia. The opening ceremony timed to coincide with the second annual Steve Irwin Day celebration realised Steve Irwin's dream to establish the world's largest wildlife hospital to honour his mother Lyn Irwin who had been a pioneer in wildlife care in Queesnalnd, Australia. The new hospital is also a living memorial to Steve Irwin. (Photo by Lisa Maree Williams/Getty Images)
SUNSHINE COAST, AUSTRALIA - NOVEMBER 15: Bindi Irwin attends the official launch of the Australian Wildlife Hospital at Australia Zoo on November 15, 2008 on the Sunshine Coast, Australia. The opening ceremony timed to coincide with the second annual Steve Irwin Day celebration realised Steve Irwin's dream to establish the world's largest wildlife hospital to honour his mother Lyn Irwin who had been a pioneer in wildlife care in Queesnalnd, Australia. The new hospital is also a living memorial to Steve Irwin. (Photo by Lisa Maree Williams/Getty Images)
Washington, DC - March, 11: Bindi Irwin, 11-year-old daughter of the late animal lover Steve Irwin, visits the National Zoo, and giant Panda Tian Tian, left, to promote her upcoming television show March, 11, 2010 in Washington, DC. (Photo by Bill O'Leary/The Washington Post via Getty Images)
BRISBANE, AUSTRALIA - NOVEMBER 13: Beau Bridges and Bindi Irwin arrives at the Steve Irwin Day Gala Dinner to celebrate the life Steve Irwin and raise funds for Australia Zoo Wildlife Warriors at Brisbane Convention & Exhibition Centre on November 13, 2010 in Brisbane, Australia. (Photo by David Hardenberg/Getty Images)
March 9, 2010 Bindi Irwin, daughter of Steve Irwin at Metro Zoo for Free Willy Escape From Pirate's Cove. Students From Bendale Jr. P.S. watched a screening and had a Q/A with Bindi and posed for photos with her and autographed toy whales in this photo. Toronto Star/Michael Stuparyk (Photo by Michael Stuparyk/Toronto Star via Getty Images)
This 2012 photo released by the Hallmark Channel shows Bindi Irwin star of the film "Return to Nim's Island," the sequel to the 2008 action-adventure movie "Nim's Island," premiering March 15, 2013 on the Hallmark Channel. The Hallmark Channel is making Friday nights a home for family movies. Hallmark says the movie, starring Irwin, the 14-year-old daughter of the late Steve Irwin, the Australian crocodile hunter, will air as part of the new "Walden Family Theater" series, a Hallmark Channel collaboration with producer Walden Media, ARC Entertainment studio and sponsors Wal-Mart and Procter & Gamble. (AP Photo/Hallmark Channel)
MELBOURNE, AUSTRALIA - APRIL 15: Bindi Irwin arrives at the 2012 Logie Awards at the Crown Palladium on April 15, 2012 in Melbourne, Australia. (Photo by Ryan Pierse/Getty Images)
SYDNEY, AUSTRALIA - FEBRUARY 18: Bindi Irwin poses with a lizard during the Goulburn Valley Fresh launch at Martin Place on February 18, 2013 in Sydney, Australia. (Photo by Don Arnold/WireImage)
Bindi Irwin (R), daughter of late Steve 'Crocodile Hunter' Irwin, shares her medal for the young conservationist of the year with her mother Terri Irwin during a media call for the Australian Geographic Society Awards in Sydney on October 29, 2014. The Australian Geographic Society has given the award to Bindi for her role in the communication of ideas and action on global wildlife conservation. AFP PHOTO/ Saeed Khan (Photo credit should read SAEED KHAN/AFP/Getty Images)
THE VIEW - Susan Sarandon (Death Row Stories); Jennifer Morrison, Josh Dallas, Lana Parrilla and Colin O Donohue (ABCs Once Upon a Time); Barbara Walters is joined by Terri and Bindi Irwin as she reflects on her past interview with The Crocodile Hunter, the late Steve Irwin Friday, March 7, 2014 on ABC's 'The View.' 'The View' airs Monday-Friday (11:00 am-12:00 pm, ET) on the ABC Television Network. (Photo by Lou Rocco/ABC via Getty Images) TERRI AND BINDI IRWIN
SYDNEY, AUSTRALIA - JANUARY 30: Bindi Irwin arrives at the 3rd Annual AACTA Awards Ceremony at The Star on January 30, 2014 in Sydney, Australia. (Photo by Don Arnold/WireImage)
SUNSHINE COAST, AUSTRALIA - JULY 24: (EUROPE AND AUSTRALASIA OUT) Bindi Irwin celebrates her 16th birthday at Australia Zoo on July 24, 2014 in Beerwah on the Sunshine Coast, Australia. (Photo by Chris McCormack/Newspix/Getty Images)
NEW YORK, NY - JUNE 24: Bindi Irwin attends Discovery's 30th Anniversary Celebration at The Paley Center for Media on June 24, 2015 in New York City. (Photo by Mike Pont/WireImage)
NEW YORK, NY - AUGUST 24: Actress and 'Dancing With The Stars' contestant Bindi Irwin leaves the 'Today Show' taping at the NBC Rockefeller Center Studios on August 24, 2015 in New York City. (Photo by Ray Tamarra/GC Images)
LOS ANGELES, CA - SEPTEMBER 28: Actress/ wildlife conservationist Bindi Irwin (L) and dancer/TV personality Derek Hough attend 'Dancing with the Stars' Season 21 at CBS Televison City on September 28, 2015 in Los Angeles, California. (Photo by David Livingston/Getty Images)
LOS ANGELES, CA - SEPTEMBER 28: Actress/ wildlife conservationist Bindi Irwin (R) and boyfriend Chandler Powell pose at 'Dancing with the Stars' Season 21 at CBS Televison City on September 28, 2015 in Los Angeles, California. (Photo by David Livingston/Getty Images)
LOS ANGELES, CA - SEPTEMBER 22: Actress/ wildlife conservationist Bindi Irwin attends 'Dancing with the Stars' Season 21 at CBS Televison City on September 22, 2015 in Los Angeles, California. (Photo by David Livingston/Getty Images)
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"I have the greatest teacher on planet Earth," Bindi added. "I walked into this whole new adventure having no concept what I was going to do – I had the passion in my soul, but you really don't know what to expect. Derek was so good at putting my mind at ease and we've been taking it one piece at a time."

But Derek, who will return for his 16th season of DWTS, was immediately impressed by Bindi's drive – the dancing itself was another story, though this video may prove otherwise.

"The improvement in a week has been remarkable," the 30-year-old marveled. "But man she's catching on quick. It's like she's had this dancer [lying] dormant inside of her body and now we're revealing it. It's awesome!"

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

There was one obstacle Bindi immediately had to tackle, and it had nothing to do with her moves: She had never put on a pair of high heels before!

"They said, 'We're going to put you in these heels,' and I don't think they realized that I had never worn heels before so I stood up and instantly fell down," Bindi revealed. "Yeah, it was a good start to a great adventure."

Plus, it's rare to see her out of her trademark khakis.

"It's kind of nice to step outside of my comfort zone and try some sparkles on," Bindi said. "I'm going to try something new and different, and work with the heels and see if I can stand up!"

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

Bindi and Derek already have a team name picked out – Team Crikey, obviously! – and they're already brainstorming their signature move.

"I was trying to think of a crocodile move but she's like, 'That looks like an oyster,'" Derek explained. "We're gonna work on that!" Bindi assured the fans.

Bindi has followed in the footsteps of her father, the late Steve Irwin, hosting wildlife series on Australian and U.S. television. When ET visited Bindi at rehearsals, it happened to be the ninth anniversary of her father's death.

"I hope that dad would be proud of me because he is my superhero. He always will be and for many of us, as a family, we've tried so hard to make sure that everything he loved and lived for carries on," she said.

We're rooting for Bindi when season 21 of DWTS kicks off on Sept. 14, but she'll be vying for the mirror ball trophy against some formidable competitors. To find out who she'll be competing against, press play on the video below.

'DWTS' Announces Season 21 Cast: Paula Deen, Kim Zolciak and More

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