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 $277,322,503 was in Canada and the United States. It was tenth-highest-grossing film of 2009 in the world, the ninth-highest-grossing film of 2009 in the U.S. and the highest-grossing R-rated comedy ever in the United States, surpassing a record previously held by "Beverly Hills Cop" for almost 25 years. Out of all R-rated films, it is the sixth-highest-grossing ever in the U.S., behind "The Passion of the Christ", "Deadpool", "American Sniper", "It" and "The Matrix Reloaded". However, adjusted for inflation "The Hangover" earned less than half the total earned by "Beverly Hills Cop" and is out grossed by several comedies including