Adam Levine Hits the Gym with Charlie Puth in L.A.

Adam Levine was joined by a close pal at the gym – Charlie Puth!

The 40-year-old Maroon 5 frontman showed off his tattooed muscles in a white tank shirt as he and the 27-year-old singer worked up a sweat on Saturday afternoon (July 27) in Los Angeles.

PHOTOS: Check out the latest pics of Adam Levine

The day before, Adam‘s wife Behati Prinsloo was all smiles as she stopped by the Carasoin Day Spa for an afternoon of pampering in West Hollywood.

If you missed it, find out what Behati Prinsloo said about Adam Levine‘s decision to leave The Voice.