DETROIT – 24 hours of pure happiness.
Pop star Pharrell is teaming up with the United Nations Foundation to celebrate the International Day of Happiness Thursday.
This is the second year for the 'holiday,' which encourages everyone to feel and be happy.
Pharrell is asking his fans to to post videos of themselves "dancing, singing or just being happy" to YouTube and Instagram while listening to his hit song Happy, off the Despicable Me 2 soundtrack.
The pop star is currently spotlighting his favorite Happy-themed videos on his website 24hoursofhappiness.com.