Camp Rock what? Nick Jonas has officially left his Disney days behind — the youngest Jonas Brother channeled his inner Marky Mark and, while looking insanely buff, grabbed his crotch while posing for Flaunt magazine.

In a series of shirtless photos, the singer imitated Mark Wahlberg‘s famous 1992 Calvin Klein ad. In other daring snaps, the 22-year-old bares the top of his bum while wearing a pair of unbuttoned jeans.

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This isn’t the first time the “Jealous” singer, who is dating 2012’s Miss Universe Olivia Culpo, has dared to bare. Last year, the former Disney star posted a shirtless bathroom selfie which almost broke the Internet.

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