5 Seconds of Summer on the Today show

5 Seconds of Summer performs for the Summer Concert Series on the Today show in Rockefeller Plaza in New York on July 22, 2014.

Peter Kramer/NBC

The pop-punk band makes their 'Today' show debut

It's a rite of passage for modern-day teen idols: Make your "Today" show summer concert series debut; have hundreds of fans (mostly teenage girls) camp out in Rockefeller Center to get a glimpse of your performance.

Australian pop-punk band 5 Seconds of Summer -- that's Ashton Irwin, Luke Hemmings, Michael Clifford and Calum Hood -- had their big moment Tuesday morning when they performed a few songs, including their summer hit "She Looks So Perfect," in the plaza. The group also performed the track "Amnesia" off their self-titled debut album, which is out today.

The "Today" team reported that some young women had fainted, and quite a few more couldn't stop crying both before and during the performance. Luckily, the band has some experience dealing with large crowds of enthusiastic teens -- they're currently the opening act for One Direction's worldwide tour.

Get a taste of (5 Seconds of) summer below: 

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