Chace Crawford: Bulging Biceps in Studio City!

Chace Crawford shows off his bulging biceps in a tight white tee while leaving a friend’s house on Thursday afternoon (July 11) in Studio City, Calif.

The 27-year-old actor wore a shirt featuring the Heileman’s Old Style beer logo on it.

PHOTOS: Check out the latest pics of Chace Crawford

In case you didn’t know, Chace will be celebrating his 28th birthday on July 18!

Chace currently has the romantic comedy Responsible Adults in development, in which he plays a guy who realizes that his crush, med student Liz Quinn (Katie Holmes), was his babysitter 15 years ago.