Julianne Hough wowed on "Dancing with the Stars" Monday night, April 7, but it wasn't her dance moves that turned heads.
The former "DWTS" pro served as a guest judge on the latest episode of the competition series and took to the stage in a clingy black gown featuring a keyhole cut-out design.
"First of all, welcome back," host Tom Bergeron told Hough as she took a seat at the judges' desk. "And secondly, wow, what a dress!"
Hough, 25, looked glamorous in the frock, rocking a blond pixie cut and sultry makeup. Her boyfriend Brooks Laich made sure to tweet at his lady following her appearance on the show, posting a photo and writing, "Dang, this guest judge on @DancingABC is cute!"
Hough, of course, retweeted her man's sweet words:
— Julianne Hough (@juliannehough) April 8, 2014