It's no secret that Sam Heughan is one honorable-looking man,but he's even hotter when he goes without a shirt. The actor has been known to exhibit off his abs on Outlander, but he has also shared some pretty steamy moments on Instagram as well. What can we say? We just can't get enough of the hunky star. See some of his sexiest shirtless moments here.
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Source: popsugar.com