NEW YORK -- Bindi Irwin will compete on season 21 of "Dancing with the Stars."

"Good Morning America" revealed the news Monday with a live interview with Irwin, the daughter of late wildlife expert, "Crocodile Hunter" Steve Irwin.

"This is completely different to anything I've done in my life. I'm used to wrangling crocodiles," said the 17-year-old.

Irwin has worked to carry on her father's legacy, hosting TV shows, writing books and co-writing books to promote conservationism.

"Dancing with the Stars" returns Sept. 14.