Julianne Hough Shares TBT Video From Fiance Brooks Laich's Birthday Ahead of Upcoming Wedding

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Happy belated birthday, Brooks Laich!
Julianne Hough took to Instagram on Thursday to share a sweet #TBT honoring Laich's birthday last Friday.
"#tbt celebrating this hunks birthday! @brookslaich ? That flame will never go out... ????: @riawna," the Dancing With the Stars judge wrote alongside a video of herself presenting Laich with his birthday cake.

"#tbt Birthday kisses ?," Hough captioned a cute snap from the event.

ET caught up with Hough's big brother, Derek Hough, on Tuesday, where he couldn't stop gushing about his sister's upcoming nuptials. 
"It's gonna be, like, a week-long event," he shared. "It's gonna be amazing."
See more in the video below.