Hough, a two-timeDancing with the Stars champion, last competed on the show during its eighth season in early 2009. She competed with Chuck Wicks, her boyfriend at the time, however the pair later split and she began dating Seacrest -- who is the host of American Idol -- early last year.
After dodging questions and rumors about their dating life for months, Hough, 23, and Seacrest, 36, finally confirmed they were dating late last year.
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