If the One Direction "Kiss You" music video is one of your favorites, check out this new behind-the-scenes video.

Not only is it the most fun 1D music video ever, but this new "Kiss You" behind-the-scenes footage shows just how much fun Harry, Liam, Zayn, Niall and Louis had making it.

You get a good look at what went into making the music video, including all the green screen magic, and some absolutely adorable footage of the guys in action.

One question: why are Harry's shorts so short?

We love Niall smacking his face with the car visor, the boys catching some zzz's and their dance moves!

What's your favorite part?

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