Bradley Cooper had a career-defining moment on the set of Wedding Creashers thanks to Vince Vaughn.

Nearly 20 years after it was released, Wedding Crashers is still hilarious.

New Wedding Crashers rule: there’s always an interesting story behind this comedy classic.

Isla Fisher is more than Borat's wife.

Rule 76a: without certain parties involved in a Wedding Crashers sequel, you're not playing like a champ.

Who can forget Isla Fisher’s memorable performance in the original Wedding Crashers?

Wow!

Lock it up.

This idea hasn’t been shelved.

When Wedding Crashers hit theaters in 2005, it was a pretty tremendous success. Not only did audiences go crazy for the comedic duo of Owen Wilson and Vince Vaughn, but the film also followed Rachel McAdams’ terrific turns in Mean Girls and The Notebook and broke her out in a whole new way. Even supporting roles from folks like Isla Fisher and Bradley Cooper ended up being quote-worthy, so it’s no surprise that Warner Bros. was keen to get the gang back together for a sequel. Except it never happened. When speaking with Collider’s own Steve Weintraub …