The Hangover Part II and earlier comments made by Phillips denying such reports were a deliberate case of misdirection. The following month, Bradley Cooper stated he believed the rumors to be true and was looking forward to filming "The Hangover 2" in Thailand. In October 2010, Phillips confirmed that the film would take place in Bangkok and Los Angeles and that Galifianakis, Cooper, Helms and Ken Jeong would be returning. On a budget of $80 million, principal photography began on October 8, 2010, in Ontario, California with the first images of production being released a few days later. It was also reported in October
The Hangover Part II and the second-highest-grossing opening weekend of all time for an R-rated film, behind "The Matrix Reloaded" ($91.7 million). For the Memorial Day four-day weekend, the film amassed $103.4 million to become the fourth-highest-grossing Memorial Day weekend opening. In its second weekend the film gross dropped 64 percent from the previous weekend—while the original film dropped only 27 percent during its second weekend—and grossed $31.4 million. The film ended its box office run on September 15, 2011, on 113th day of its release. "The Hangover Part II" debuted in 40 countries internationally over the weekend of May 26–29, 2011, across 5,170