When you imagine how many hours, days, and even weeks you've spent watching videos on YouTube, it seems bizarre that it's only the site's 10th anniversary. Can you imagine life without it? The platform has inarguably changed the world, connecting people from every corner of the Earth with silly cats and viral music videos. Let's celebrate these past 10 years by reflecting on some of the very best YouTube posts out there. In a decade of flawless clips, these are the videos we can't stop watching.

The song that started the viral video craze.

This sneaky kitty.

This bath-averse feline.

The eternally quotable clip.

This skating cat.

This insanely cute martial artist.

The top-viewed YouTube video of all time.

This relatable little girl.

This adorable encounter.

This iconic fanboy.