Allison Holker

 Holker danced with Earth, Wind and Fire at the closing and opening ceremonies at the Olympic Games in 2002, as well as in the Disney films High School Musical and High School Musical 2. She was featured in several commercials, advanced to the top 8 of So You Think You Can Dance's second season, and was a part of the SYTYCD national tour. Louis Van Amstel choreographed a show titled "Ballroom with a Twist" and she performed along with her and Clay Aiken, American Idol's Clay Aiken, in the PBS special "Tried and True". Holker was featured in the "Jar of Hearts" music video by Christina Perri. Holker was one Demi Lovato's back-dancers in September/October 2011, and was one of her back-dancers in the fall/winter months. Holker has taught at different dance workshops and conventions throughout the United States, and has also branched out into choreography. [2] Holker was a backup dancer on The X Factor USA working together with Brian Friedman. On April 30 2013, she performed an impromptu dance routine on Dancing with the Stars with Stephen "tWitch" Boss. They performed to Crystallize which was being performed live on Lindsey Stirling