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 financial costs and argued that there was no legal precedent for the case, saying that the use of a permanent tattoo on a human's face could not be controlled. The judge allowed the case to go forward, stating that Mr. Whitmill had a "strong likelihood of prevailing on the merits for copyright infringement" and that most of the arguments put forward by Warner Bros. were "just silly," but rejected Whitmill's request for a preliminary injunction to stop the release of the film, because, on balance, that rejection was "in the public interest". In the event that Warner Bros. and Whitmill