No 'Hangover IV,' says Bradley Cooper

Saying Goodbye: Bradley Cooper, Ed Helms And Zach Galifianakis Talk The End Of The Hangover Movies

Bradley Cooper, 'The Hangover Part III' Star, On Why He Left 'Jane Got A Gun

Bradley Cooper: See The Actor's Best Photos – Hollywood Life

Bradley Cooper attends Hangover 3 premiere in brown suit while Zach - Mirror Online

Bradley Cooper Los Angeles Premiere of 'The Hangover Part II' held at Grauman's Chinese Theatre - Arrivals Hollywood, California - 19.05.11 Stock Photo - Alamy

Bradley Cooper says he decided to become sober after purposely hitting his head on a concrete floor during a wild night of partying

Bradley Cooper on Being Mocked by Hollywood for Oscar Nominations – IndieWire

For stars, ' Hangover' series was a game changer – The Mercury News

Bradley Cooper talks sobriety, 'Alias' and a few sore subjects - Los Angeles Times

Bradley Cooper 'was not expecting' Republican uproar over DNC appearance

Bradley Cooper says the third Hangover movie will be perfect closure for the series

Best Bradley Cooper Movies & Performances Ranked

Bradley Cooper battled cocaine and alcohol addiction before Hangover fame: 'I was so lost

Hangover' star Cooper to star in 'Paradise Lost' - The San Diego Union-Tribune