VIDEO: WHAT REALLY HAPPENS IN A GIRL'S BATHROOM...

Every time you go out to a club, or even a restaurant, you'll notice groups of girls who always seem to go to the bathroom in a group. 

It's a sort of strange, unspoken agreement between girls to go together – and it's not because they all need help with potty-training!

For guys, it's a mysterious, skeptical act and they have no idea what goes on in there.

Well, here, you'll find out.

Between meeting perfect strangers (and drunkenly becoming best friends with them) and taking selfies (also pretty drunk) in the public bathroom, there's a reason girls take so long in the bathroom when they head off holding hands together!