But thats not all that happened during this performance.
The other kids belted the lyrics and waved their arms.
When Cairo finished his performance, the entire audience erupted into thunderous applause.
Photo: Screenshot fromYouTube
Peaches was first sung by actor Jack Black who voiced Bowser in the film.
Watch Cairos performance below.
If you know the song, feel free to sing along.
He sang Peaches fromThe Super Mario Bros. Movieand it became a giant sing-along.