By now, you probably know the drill. Men all over America grow mustaches for thirty days to raise awareness for men’s health. This has become an undeniable phenomenon, and to commemorate the unofficial national holiday, let’s take a look at some of the greatest celebrity mustaches: 

James Franco

A mustache works with James Franco’s laid-back and eccentric persona.

Ryan Gosling

Sorry, he can grow a full-on Santa Claus beard and we’d be cool with it.

Zac Efron

The former teen heartthrob tries to show he’s all grown up by rockin’ a ‘stache.

Brad Pitt

For a dad of 6, Brad Pitt is surprisingly experimental with his hair and grooming styles.

Orlando Bloom

Maybe Miranda wasn’t a mustache fan?

Bradley Cooper

Bradley Cooper proves a ‘stache can be pretty dapper.

George Clooney

George Clooney proves that with enough confidence, you can pull off even the silliest of ‘staches.

Christian Bale

Not sure if this Batman-inspired mustache is for real, but it would be pretty awesome if it was…

Adam Levine

A pretty good looking guy rocking a pretty sensible ‘stache.

Johnny Depp

Johnny Depp: mustache tattoo trendsetter.

Lady Gaga

…and Lady Gaga. Of course.

Click here to learn more about Movember and donate to the cause.