
From left, Bradley Cooper, director Todd Phillips, Zach Galifianakis and Ed Helms pose together at the Los Angeles premiere of "The Hangover Part III." (Photo by Matt Sayles/Invision/AP)

From left, Bradley Cooper, director Todd Phillips, Zach Galifianakis and Ed Helms pose together at the Los Angeles premiere of "The Hangover Part III." (Photo by Matt Sayles/Invision/AP)

Boston Marathon bombing victim Jeff Bauman was visited in the hospital by actor Bradley Cooper and New England Patriots receiver Julian Edelman. Bauman, despite losing both legs in the blast, provided key details that helped the FBI identify the attackers. (Credt: Edelman's Twitter feed)

Bradley Cooper, nominated for best actor in a leading role for "Silver Linings Playbook," arrives at the 85th Academy Awards nominees luncheon at the Beverly Hilton Hotel on Monday, Feb. 4, 2013, in Beverly Hills, Calif. (Chris Pizzello/Invision/AP)

Bradley Cooper, nominated for best actor in a leading role for "Silver Linings Playbook," arrives at the 85th Academy Awards nominees luncheon at the Beverly Hilton Hotel on Monday, Feb. 4, 2013, in Beverly Hills, Calif. (Chris Pizzello/Invision/AP)

Jennifer Lawrence and Bradley Cooper star in the film "Silver Linings Playbook." (AP Photo/The Weinstein Co., JoJo Whilden)

Jennifer Lawrence and Bradley Cooper star in the film "Silver Linings Playbook." (AP Photo/The Weinstein Co., JoJo Whilden)

Bradley Cooper stars as Pat Solatano in “Silver Linings Playbook.” The film, which captures the communal spirit and the toxic obsession of passionate football fans across America, has been nominated for five Spirit Awards and is widely expected to be a best picture Oscar contender. (The Weinstein Co. Via Associated Press)

Jennifer Lawrence and Bradley Cooper deliver standout performances in “Silver Linings Playbook,” a gritty romantic comedy from Oscar-nominated director David O. Russell. (Rex Features)