Off ‘Illuminate.’

Shawn Mendes performs his lead Illuminate single “Treat You Better” on The Ellen DeGeneres Show.

The 18-year-old also sat down for a moment to chat about the last several hectic years, selling out Madison Square Garden, his freshly-inked tattoo and of course the new LP.

Watch the performance above and the interview below (golf claps for Mendes for not mentioning anything about Ellen being older than him, he has a tendency to do that):

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