Pharrell's Oscar-nominated hit song "Happy" has become an anthem to people around the world. As soon as the beat drops, it's hard to avoid busting a move.
People around the world, from Hong Kong to Jamaica, have created their own versions of the song, and they all have the same message of self-expression and spreading happiness.
Pharrell partnered with the United Nations today to honor the International Day of Happiness, so this song is today's official theme song.
To recognize this happy day, here are the best videos of people from around the world doing their happy dance.