Hey, do you know what Calvin Harris looks like when he's only wearing a pair of Emporio Armani boxer briefs?

If you don't, there's a simple way to find out! Just look at Harris' Instagram wishing his manager, Mark Gillepsie, a happy birthday with a photo that's primary purpose is showing off the DJ's toned bod.

SEE ALSO:Congratulations, Calvin Harris! You won 'The Bachelorette'!

The image really shows that Harris feels gratitude with every single muscle and appendage in his body. This is what you came for, indeed.

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It's actually a pretty nice gift considering Gillepsie probably earns about 15% of what Harris makes. Harris has done ad campaigns as the face and body of Emporio Armani, but that surely has nothing to do with this.

Still, the photo is heartbreaking because it proves that Harris and Taylor Swift were truly meant to be. Swift, as you may recall, also loved making other people's birthdays about Calvin Harris.

Here's the photo she selected to wish Karlie Kloss a happy 23rd birthday:

Credit: taylorswift/instagram

Anyway, Tom Hiddleston's birthday is Feb. 9.