Posted on Mon Jul 4th, 2011 3:30pm PDT
Bradley Cooper is enjoying the dog days of summer ... he and his furry friend headed to a pre-July 4 Malibu party Sunday!
Cooper played it straight at the outdoor soiree, where others smoked cigars and drank around him. But Bradley kept hydrated with a water.
Guess his vice is just hangin' out with man's best friend!
Check out all the pics of Bradley in our gallery below!
SEE THE GALLERY Bradley Cooper And His Pup Party
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