Bindi Irwin may be just 17 years old, but the teen accomplished a feat that none of the other celebrities still vying for the Dancing With The Stars season 21 title quite captured during the Oct. 5 live show: she brought the entire ballroom to tears with a soul-stirring tribute to her late father, the Crocodile Hunter Steve Irwin.

Irwin and her pro dance partner, five-time Mirrorball trophy winner Derek Hough, closed out the emotional Most Memorable Year-themed night of competition with the contemporary piece, which was set to a slow, melodic version of Every Breath You Take. Irwin hit every step in perfect time, and truly lived the very soul of the dance.

Afterward, she broke down in Hough's arms.

The judges were uniformly moved by and impressed with the effort. Julianne Hough called it "breathtaking" and Bruno Tonioli assured Irwin that her dad was right there dancing along with her. They were awarded the night's highest score, 28 out of 30 possible points, including the first perfect 10 of the season from Tonioli. After the scores were given, Irwin hugged each judge and expressed her thanks, and Hough said that working with the teen is making season 21 one of his favorites of all time.

The DWTS week 4 leaderboard results

Although Irwin and Hough are on top, their margin of week four victory was slim, as three couples tied for second place with 27 points. The week's complete leaderboard standings are as follows.

  • Bindi Irwin and Derek Hough, 28
  • Hayes Grier and Emma Slater, 27
  • Nick Carter and Sharna Burgess, 27
  • Tamar Braxton and Val Chmerkovskiy, 27
  • Carlos PenaVega and Witney Carson, 25
  • Alek Skarlatos and Lindsay Arnold, 24
  • Andy Grammer and Allison Holker, 23
  • Alexa PenaVega and Mark Ballas, 21
  • Paula Deen and Louis Van Amstel, 18
  • Gary Busey and Anna Trebunskaya, 16

What's next for the contestants?

The Oct.

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12 episode of Dancing with the Stars will see the celebrities --with the exception of Busey and Trebunskaya, who were eliminated at the close of the Oct. 5 show-- trade partners for the always-challenging Switch-Up week. The scores from the Oct. 5 show will be added to the scores from Switch-Up night to determine which couple will be shown the door at the close of the Oct. 19 episode.