The 13-year-old Suffern resident, who won "America's Got Talent" last year, was the headliner at fourth annual Shops and Nanuet Summer Concert Series.
"Thanks, Shops At Nanuet, Z-100 NewYork and everyone that made it out tonight," VanderWaal tweeted. "I had a blast."
In May, VanderWaal won Best New Artist at the Radio Disney Music Awards.
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