Julianne Alexandra Hough is an American dancer, actress, and singer. In 2007, she joined the cast of ABC's Dancing with the Stars as a professional dancer, winning two seasons with her celebrity partners. After leaving the show in 2009, she returned in 2014 to serve as a permanent judge on Dancing with the Stars, a position she held until 2017. For her work on the series, she has received three nominations for the Primetime Emmy Award for Outstanding Choreography, winning once in 2015 with her brother Derek Hough and Tessandra Chavez.Hough made her acting debut in the 2001 film Harry Potter and the Philosopher's Stone, but played her first major role in the 2010 film Burlesque, which was followed by leading roles as Ariel in Footloose, Sherrie in Rock of Ages, and Katie in Safe Haven. In 2016, she played Sandy in the live Fox television production of Grease. She also served as a judge on America's Got Talent for its 14th season.