The youngsters, all between the ages of 14 and 18, fell ill before the Jones Beach show had even begun and had to be transported to the nearby Nassau University Medical Centre, reported Contactmsic.
The children were all in various stages of intoxication and remained at the hospital until doctors allowed them to be released to their parents.
No alcohol was being sold at gig premises, but police claim some concert goers had been found drinking beer and liquor in the parking lot while waiting for the event to begin.
Hip-hop stars Mac Miller, Chiddy Bang and Kendrick Lamar also performed at the show.
