Calvin Harris Hits the Gym in Camouflage Hoodie

Calvin Harris heads into the gym on Monday (March 21) in West Hollywood, Calif.

The 32-year-old music producer recently returned from a romantic anniversary getaway vacation with girlfriend Taylor Swift.

PHOTOS: Check out the latest pics of Calvin Harris

Two days before, Taylor had stepped out with celeb guests including Jennifer Aniston, Justin Theroux, Nicole Kidman and Keith Urban for Reese Witherspoon’s 40th birthday party at Warwick Nightclub in Los Angeles.

The night before the party, she had flown to Las Vegas to support Calvin at one of his concerts at a nightclub in the city.