
She will preside alongside Len Goodman, Carrie Ann Inaba and Bruno Tonioli.
After serving as a company dancer-choreographer, Hough left the show in 2009 to focus on acting and music.
Her films include "Safe Haven," "Paradise," "Rock of Ages" and the 2011 remake of "Footloose."
She released a best-selling album in 2008.
"Dancing With the Stars" is hosted by Tom Bergeron and Erin Andrews.
Its new season launches Sept. 15 on ABC.