Steve Granitz / 1 / 17
Steve Granitz / 1 / 17

Duff's got the right stuff!

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While vacationing with husband of one year Mike Comrie on the Island of Capri, Italy Monday, Hilary Duff, 23, showed off her womanly curves in a sexy black bikini. As her Pittsburgh Penguins player husband, 30, took pictures of her in a lagoon, the She Wants Me star struck a series of flirty poses.

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How does Duff -- who shot to fame on Disney Channel's Lizzie McGuire in 2001 -- stay in such great shape?

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"I work with a trainer named Harley Pasternak and I do a lot of Pilates," she told Us Weekly in April. "I'm just like everyone else. I go through stages where I feel super motivated and want to work out every day, and then I won't work out for two or three weeks and I'll feel like s**t. Then it's time to hop back on the wagon again!"

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