The Hangover Part II takes no chances and opts for a safe, subdued pre-wedding brunch. Things do not go as planned, resulting in another bad hangover with no memories of the previous night. Development began in April 2009, two months before "The Hangover" was released. The principal actors were cast in March 2010 to reprise their roles from the first film. Production began in October 2010, in Ontario, California, before moving on location in Thailand. The film was released on May 26, 2011 and became the highest-grossing R-rated comedy during its theatrical run. A third and final installment, "The Hangover Part III", was released
The Hangover Part II from point A to point B [was] incredibly difficult and the bureaucracy and getting things done. There are always tons of people around the set and Todd loves a lean set and it was always the opposite, so watching a director deal with that—especially when it was Todd Phillips—was interesting." He then went on to say, in a later part of the interview, that "it was the hardest shoot that I had ever done, that Zach had ever done, that Ed had ever done and that Todd had ever done." In February 2011, it was reported that Christophe Beck would