MTV Buzzworthy Blog › Meaghan Martin

Uniondale, New York, might not the world's most popular vacation destination but that wasn't the case this past weekend when the inaugural Pop-Con music festival descended upon Nassau Coliseum and the city was filled with screaming Justin Bieber fans.

That's right, The Bieb—along with fellow pop peers like Selena Gomez, Nat & Alex Wolff (from the Nickelodeon series The Naked Brothers Band), Push Play, Meaghan Martin, Mercy Mercedes and Sean Kingston—took the stage to snap, crackle and pop for thousands of tweens (and probably a couple hundred parents, as well).

Are you kicking yourself for missing the action? Don't pummel yourself too hard because we've got all the photographic goodness here!

Justin Bieber. Duh. (Photo credit: Kevin Kane / WireImage)

Radio Disney newcomer Tiffany Giardina. (Photo credit: Kevin Kane / WireImage)

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Tags Alex Wolff, justin bieber, Meaghan Martin, Mercy Mercedes, Nat Wolff, Push Play, Sean Kingston, Selena Gomez, The Naked Brothers Band, Tiffany Giardina