Joaquin Phoenix: Shirtless Dog Walking!

Joaquin Phoenix takes off his sweatshirt before popping into his car in Los Angeles on Sunday (May 9).

While hiding behind a pair of shades and a cap, the 35-year-old actor celebrated Mother’s Day by taking his two dogs for a walk on a hiking trail.

Earlier this week, Joaquin was spotted taking in the tunes at Bardot.

10+ pictures inside of Joaquin Phoenix walking his two dogs…