media_removed_toofab 2013
Brad Pitt, who?

Jennifer Aniston is a very lucky lady -- and anyone doubting that fact just needs to take a look at the photo above.

Yeah, that's her fiance Justin Theroux and his bulging biceps as he rides around New York City on his motorcycle.

This is a guy who can definitely pull off a sleeveless top.

The 41-year-old actor and Aniston were seen shopping together in L.A. over the long holiday weekend, putting rumors of a potential breakup to rest.

But back to those arms. Yeah. They're good ones.

Think you know your celeb biceps? Check out our Guess Whose Guns gallery above to try and match more muscle with the star they belong to!

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