Reese Witherspoon & Jake Gyllenhaal Burn 60

Reese Witherspoon and boyfriend Jake Gyllenhaal leave Burn 60 gym on Friday (July 10) in Brentwood, Calif.

Reese, 33, stepped out on Thursday in a cute skirt in Brentwood for some retail therapy.

Check out Jake‘s new upcoming film, Brothers, which also stars Natalie Portman and Tobey Maguire. The film is slated for a December 4 release date.

30+ pictures inside of Reese Witherspoon and Jake Gyllenhaal burning 60…