Robert Pattinson Bulks Up at the Gym!

Robert Pattinson shows off his bigger biceps while heading to a workout session on Friday (November 15) in Los Angeles.

The night before, the 27-year-old actor was handsome while debuting his new goatee at the 2013 Go Go Gala in Pacific Palisades.

PHOTOS: Check out the latest pics of Robert Pattinson

In case you missed it, Rob has joined the upcoming flick The Lost City of Z, which also stars Benedict Cumberbatch.

Rob‘s upcoming flicks The Rover and Maps to the Stars are currently in post-production. Stay tuned for more release details!

15+ pictures inside of Robert Pattinson bulking up at a gym…