The Ellen DeGeneres Show

Cutest Kid Ever Sings 'Katy Perry'
Cutest Kid Ever Sings 'Katy Perry'
Cutest Kid Ever Sings 'Katy Perry'
This might be the sweetest video we have seen all week! 5-year-old Kai Langer, aka the most adorable little kid on the planet, stopped by the 'Ellen DeGeneres Show' to chat with the host and show off his rendition of Katy Perry's anthem, 'Roar.'