The show kicked off with a high-energy opening number featuring a reunion of all 12 of this season’s couples in addition to the judges and hosts. Then, Riker Lynch and Allison Holker performed an encore of their Freestyle dance as decided on by fans on Twitter. The finale also featured a performance to "Juicy Wiggle," by RedFoo and encore performances by Charlotte McKinney and Keo Motsepe to "California Girls," Suzanne Somers and Tony Dovolani to "Copacabana" featuring six additional dancers, Robert Herjavec and Kym Johnson to "Bills," Chris Soules and Witney Carson to "Footloose," Willow Shields and Mark Ballas to "Alice’s Theme," Nastia Liukin and Derek Hough’s Charleston to "Honey, I’m Good" featuring a performance by Andy Grammar and much more. The night also included a reprise performance from Patti LaBelle and Artem Chigvintsev to "In Da Club," and the Grammy award winning artist also performed her hit song "2 Steps Away." Additionally, fan favorites from past seasons Amy Purdy, Alfonso Ribeiro and Sadie Robertson returned to the ballroom for special performances. Sia performed her hit song "Elastic Heart" with a special dance performance by Derek and Julianne Hough. The star studded night continued with a performance by Jason Derulo singing his hit song "Want To Want Me." In the last element of competition, the couples performed a new routine as part of a "24 Hour Fusion Challenge." The remaining couples fused two contrasting dance styles that they’ve performed this season and they had less than 24 hours to prepare that dance for additional judges’ points. 24 HOUR FUSION CHALLENGE SCORES: Carrie Ann Len Julianne Bruno Total Noah & Sharna 9 9 9 9 36 / 108 Total Riker & Allison 10 10 10 10 40 / 120 Total Rumer & Val 10 10 10 10 40 / 120 Total • Dancing first, Noah Galloway and Sharna Burgess performed a stirring and beautiful Fusion of Cha Cha and Argentine Tango. Featuring an incredible lift and unforgettable emotion, the judges were wowed once again. • Next up, Riker Lynch and Allison Holker aimed to keep their perfect streak going with their Fusion of Salsa and Quickstep. One more time they brought the fun and the energy to the dance floor and the ballroom felt it! And the judges sure felt it, awarding the couple their fifth perfect score in a row! • For the final dance of the season, Rumer Willis and Valentin Chmerkovskiy looked to finish strong with a Fusion of Foxtrot and Paso Doble. As they had all season long, they brought poise, chemistry and technique together for another knockout performance. And just like Riker and Allison, Rumer and Val earned their final perfect score of the season. • With all of the dances done for the season, it was time to reveal how the couples finished. After combining the judges' scores and the fans' votes, Noah and Sharna were awarded third place. The crowd cheered Noah's name and he and Sharna basked in the glow of an incredible achievement. • It had all come down to this: Riker & Allison or Rumer & Val. In the final reveal of the season, Rumer Willis and Valentin Chmerkovskiy were handed the 10th Anniversary Gold Mirrorball Trophy and named Champions of Dancing with the Stars season 20!