Bradley Cooper: 'Hangover' Night Out with the Cast!

Bradley Cooper is all smiles while enjoying some nightlife during a break from promoting The Hangover Part III on Wednesday night (May 29) in Rio de Janeiro, Brazil.

The 38-year-old actor was joined for his night out by co-stars Heather Graham, Zach Galifianakis, Justin Bartha, and Ken Jeong, as well as his pal Brian Klugman.

The day before, Bradley showed off his shirtless bod on the beach in Rio!

Check out the flick, currently in theaters in the US.

FYI: Heather is wearing a RVN Geo Jacquard dress. Bradley is wearing a Brunello Cucinelli shirt.

15+ pictures inside of Bradley Cooper and his The Hangover Part III co-stars out for a night on the town in Brazil…