Bindi Irwin was 17 years old during her run on Dancing With the Stars (DWTS) Season 21.

Quick Scoop: Bindi’s Age on DWTS

  • Bindi Irwin joined Dancing With the Stars in Season 21, which aired in 2015.
  • At that time, she was 17 years old, competing as a teen conservationist and TV personality.
  • She went on to win the Mirrorball Trophy with her professional partner Derek Hough.

A Little Context

  • Season 21 of DWTS ran in 2015, and Bindi was introduced widely to U.S. audiences beyond her wildlife work.
  • Coverage of the finale and post-show interviews consistently described her as a 17-year-old winner, confirming her age during the season.

TL;DR: Bindi Irwin was 17 years old when she competed on DWTS Season 21.

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