It's Katherine Heigl like you've never seen her before!

The typically demure actress recently showed off her rockin' figure in lingerie, posting a few shots to Instagram. In one image, the blonde beauty cozies up to husband and singer, Josh Kelley, 36.

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"Been working on a secret project with @joshbkelley. The clock's ticking! Stay tuned," the 37-year-old captioned the pic.

It's nice to see the couple, who've been married since 2007, collaborating together. They currently reside in Utah with their two adopted daughters, Naleigh and Adalaide.

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Katherine's name recently came up in an interview with her brother-in-law Charles Kelley, who said he's baffled by the former Grey's Anatomy star's less-than-stellar reputation.

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"She’s actually a sweetheart," the Lady Antebellum band member told Watch What Happens Live host Andy Cohen. "[Katherine] and my brother have like the coolest relationship I’ve ever seen. They’re one of those people that you want to ultimately be like."