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 trailer from screens". In April 2011, tattoo artist S. Victor Whitmill filed a lawsuit against Warner Bros. In the film, Stu wakes up with a copy of Mike Tyson's tattoo. Whitmill, who designed the tattoo for Tyson claims it as a copyrighted work and asked a judge to stop Warner Bros. Entertainment from using the tattoo in the film or in marketing materials, which would effectively halt the film's release, and asked for monetary compensation for what he referred to as "reckless copyright infringement". In response, Warner Bros. claimed that any delay in the film's release would result in huge