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 America and BAFTA awards. By depicting and celebrating Las Vegas as the "ultimate guys' getaway", "The Hangover" had a major impact on Caesars Palace and Las Vegas. It was reported in 2013 that as of that year, guests were still continuing to quote to Caesars staff two lines from the film's check-in scene: "Did Caesar live here?" and "Do you know if the hotel is pager friendly?" As a result of the film, "Hangover"-themed slot machines became popular at casinos throughout the Las Vegas Valley, the Caesars Palace gift shop sold tens of thousands of "Hangover"-related souvenirs, and the Las