She returned again on May 15, 2012 in a dance performance to promote her film Rock of Ages.
At the age of 12, he moved to London alongside his sister Julianne Hough to further their dancing careers. He has been partnered with celebrities including Jennie Garth, Shannon Elizabeth, Brooke Burke, Lil’ Kim, Joanna Krupa and Nicole Scherzinger.
Hough has earned himself two mirror ball trophies with Burke and Scherzinger.
In September 2014, she returned as the show's permanent fourth judge.
On March 18, 2014, Hough and her brother Derek announced a summer tour of over 40 cities across the U. and Canada, called "Move Live on Tour", which would include dancing and singing from both of them, and the appearance of a group of dancers employed by the Houghs who earned their jobs through auditions.
She felt abdominal pains during their jitterbug performance on October 27, 2008 and was immediately rushed to a hospital following the encore performance.
She subsequently had surgery to have her appendix removed, causing her to miss several performances; Edyta Śliwińska stood in for her.
Hough performed her second single "My Hallelujah Song" on Dancing With the Stars on November 18, 2008, with her brother, Derek Hough, Mark Ballas and Lacey Schwimmer dancing.
Hough, Le Ann Rimes, Jessica Simpson, and Kellie Pickler announced the 2009 Academy of Country Music Award nominees in February 2009.
Hough returned to the show, although the pair was 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.
Auditions were also held to recruit a new group of dancers to join the Houghs, although some back-up dancers from the previous year returned.