Justin Bieber shares family photo of handsome great-grandfather -- See the resemblance!

Updated
Justin Bieber: I Flaunt My Calvins
Justin Bieber: I Flaunt My Calvins

So that's where he gets it!

Justin Bieber proved that good looks run in the family on Wednesday when he posted a black-and-white snap of his "swaggin" great-grandfather on Instagram.

Like his famous great-grandson, Bieber's dapper ancestor clearly had serious style -- he rocked a herringbone suit for the headshot. Even more striking is his resemblance to the 21-year-old pop star, particularly in the eyes and the chin.

View this post on Instagram

My great grandpa swaggin

A post shared by Justin Bieber (@justinbieber) on Jan 26, 2016 at 6:37pm PST

Bieber has also been busy "swaggin" in front of the camera. The "Sorry" singer recently posted a photo from his most recent Calvin Klein campaign, in which he "flaunts" his fit physique in nothing but a pair of black boxer briefs.

With sharp looks like these, we wouldn't mind flipping through more of the Bieber family photo album!

RELATED: The evolution of Justin Bieber

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