In order to convincingly portray two Americans traveling abroad, both leads had to take obnoxious lessons that they learned by simply watching tourists in line at the Louvre in Paris. Among the things they learned:
Amazingly, Bell and Duhamel couldn’t even get their house in order to be believably obnoxious, so they spend the whole film being charming and courteous, which isn’t believable at all.
Preparing her role for a woman in a relationship with a fat schlub, Ms. Heigl went on a private cruise with Kevin James and Adam Sandler’s wives, where they got drunk off white wine and talked about the logistical difficulties of getting aroused to a man in sweatpants wearing a novelty t-shirt.
Apparently, there was a lot of crying.
As someone who has only flown private for the past 15 years or so, Clooney had to prepare for his role as an unencumbered frequent flier by reading hundreds of in-flight magazines, studying back issues of SkyMall, and practicing rolling his eyes and muttering under his breath when he learns that his flight is delayed.
Always one to over-prepare for a role, Clooney spent two weeks living in the Chicago O’Hare Admirals Club where he learned how to blandly ask about last night’s football game. He also spent fifteen weeks eating lunch at Chili’s Too, where he was taught the intricacies of making awkward advances towards female travelers while sipping an Electric Lemonade.