What happens in Vegas stays in Vegas, as does any remaining dignity left in some once-respectable actors, in Phenomenon director Jon Turteltaub's Last Vegas.
In the film, a quartet of childhood friends--Michael Douglas, Morgan Freeman, Kevin Kline, and Robert De Niro--gather to celebrate Douglas's impending nuptials with a bachelor party in Las Vegas. There, through outdated references, prescription recitation, and explicit mention, it is revealed that they are all over 65 years old. If you've ever met someone who has successfully not died by that age, then already you know how hilarious this film will be. If not, here's a new trailer to show you: