The Hangover (film series) after hearing how a friend of executive producer Chris Bender went missing following his bachelor party in Las Vegas. After Lucas and Moore sold it to Warner Bros. for $2 million, director Todd Phillips and Jeremy Garelick rewrote the script to include a tiger as well as a subplot involving a baby and a police cruiser, and also including boxer Mike Tyson. Filming took place in Nevada for 15 days. In "The Hangover Part II", Phil, Stu, Alan, and Doug travel to Thailand for Stu's wedding. After the previous film's bachelor party in Las Vegas, Stu takes no chances and
Crystal the Monkey in July 2011. She portrayed a drug dealing monkey in the 2011 film "The Hangover Part II". Director Todd Phillips raised concerns after he joked that Crystal had become addicted to cigarettes after learning to smoke them for the film. Philips later explained that Crystal never actually held a lit cigarette on the film's set, the smoke was added digitally in post-production, and the cigarette was ceramic. Still PETA protested Crystal's appearance in the film because the studio used exotic animals for entertainment purposes and because the film does not carry the American Humane Association's disclaimer that "no animals were