Calvin Harris Strips Down to His Underwear — and Taylor Swift is Definitely Missing Out!

That's one way to celebrate!

Calvin Harris stripped down to his underwear on Instagram (again!) and showed off his impressive physique all to wish his manager a happy birthday.

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"I love u," he captioned the photo posing in his signature Emporio Armani boxer briefs.

View this post on Instagram

Happy birthday to my manager @gillespiemark I love u
A post shared by Calvin Harris (@calvinharris) on Aug 30, 2016 at 1:41pm PDT

The British DJ turned fashion model has been enjoying his single life lately, even flaunting his abs in a Speedo earlier this summer with this boys.

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