Julianne Alexandra Hough (born July 20, 1988)
Julianne Alexandra Hough is an American dancer, actress, and singer.
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.
Hough made her acting debut in the 2001 film Harry Potter and the Philosopher's Stone
In 2016, she played Sandy in the live Fox television production of Grease.