Back in March of 2013, 5-year-old Kai Langer became a YouTube sensation after his adorable cover of ‘Grenade’ by Bruno Mars went viral. In Kai’s fourth visit to The Ellen Show he talks about his new sister and performs ‘Roar’ by Katy Perry.
Previously: 4-Year-Old Kai Sings ‘When I Was Your Man’ By Bruno Mars On Ellen
[TheEllenShow]
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