We've been ridiculously excited for One Direction's music video for "Best Song Ever" to come out ever since we saw the first teaser featuring Niall Horan as a really old dude. Then there was Harry Styles dressed up like a nerd, Louis Tomlinson as a bald guy with lots of chest hair, Liam Payne as an over-the-top choreographer and Zayn Malik made over as a pretty woman.

In other words, we knew this video was going to be epic. We expected a lot from the guys — and boy did they ever deliver! We couldn't stop laughing!

Watch the hilarious clip below now, then hit the comments to let us know what your most favorite part is!

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