In 2016, she played Sandy in the live Fox-TV production of Grease. In July 2008, Hough was nominated at the 60th Primetime Emmy Awards in the category of "Outstanding Choreography" for her Mambo "Para Los Rumberos" (performed with partner Hélio Castroneves) on Dancing with the Stars.She left London that year, after having been "abused, mentally, physically, everything," she said, a situation that escalated "when I started hitting puberty, when I started becoming a woman and stopped being a little girl. I was told if I ever went back to the United States, three things were going to happen. On August 25, 2008, the cast of season seven was announced, and Hough was partnered with Hannah Montana actor Cody Linley.She felt abdominal pains during their jitterbug performance on October 27, 2008 and was immediately rushed to a hospital following the encore performance.
She was nominated for a Creative Arts Primetime Emmy in 2007 for Outstanding Choreography in season five of the show.
Her first leading acting role was in the 2011 film remake of Footloose. edition of Dancing with the Stars with her partner Olympic gold medal-winning speed skater Apolo Ohno, making Hough the youngest professional dancer to win on the program.
In September 2014, Hough joined Dancing with the Stars as a permanent fourth judge. I have to be this person." Hough was one of the Million Dollar Dancers in the 2006 ABC game show called Show Me the Money. On November 27, 2007, Hough and her partner, three-time Indianapolis 500 champion Hélio Castroneves, became the winners of season five.
Along with her brother Derek Hough (who is a six-time winner of the dancing show) and Tessandra Chavez, she won the Primetime Emmy Award for Outstanding Choreography in 2015. Hough returned for season six with radio host/comedian Adam Carolla, but they were eliminated in week four.
She returned again on May 15, 2012 in a dance performance to promote her film Rock of Ages.
On October 7, 2013, she was guest judge in place of Len Goodman, which was the first time a former pro dancer came back to judge.On September 2014, she returned as the show's permanent fourth judge. She later signed with Universal Music Group Nashville's Mercury Nashville division.Hough returned to the show, although the pair were ultimately eliminated in the Semifinals Competition.She appeared on the November 12 results show dancing the jive to "Great Balls of Fire" with her brother for the "Design-A-Dance" contest.On November 20, 2008, Hough told Ryan Seacrest on his radio show she would not be returning to Dancing with the Stars, for the foreseeable future, in order to further her music career.On October 11, 2011, Hough returned to Dancing with the Stars and danced with her Footloose co-star Kenny Wormald twice, as well as her brother.