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 getting trashed, only to find they are missing something important", whose adventures include "a trail of clues, a missing car, dubious encounters with strippers and wild animals, a brush with the law and gangs chasing them for something they don't realize they have". On January 17, 2010, "The Hangover" won the Golden Globe Award for Best Motion Picture – Musical or Comedy. It was also named one of the top ten films of the year by the American Film Institute. The film won "Best Ensemble" from the Detroit Film Critics Society. The screenplay was nominated for a Writers Guild of