If you were wondering how to get every teenage girl from New York, New Jersey and Connecticut in one room, wonder no more. R&B/pop phenom Chris Brown and co-headliner Bow Wow corraled an estimated 18,000 prepubescent girls into Madison Square Garden on Thursday night.

Lil Mama and Soulja Boy Tell Em warmed up the crowd while tweens danced in the aisles. Bow Wow made his way on stage via a prop resembling a G5 airplane. The rapper rocked the crowd before bringing out his 'Face Off' partner, Omarion. The two bounced around stage performing the first single, 'Girlfriend,' off the collaborative effort. Omarion danced in and out of two sequined Michael Jackson-esque jackets before exiting the stage.

All warmed up, an eager crowd counted down while watching an animated film of Brown fighting monsters on his way to the Garden. Like all great performers, the Prince of R&B/pop made a monstrous entrance. He dropped in from the rafters and launched into his smash hit, 'Wall to Wall.'

After hours of ear-popping explosions and yelping, the content crowd were treated to New York's finest. Diddy and 50 Cent showed some major love for the singer. Diddy strolled on stage and jumped into renditions of 'It's All About the Benjamins' and 'Last Night.' 50 and crew -- donning dollar bill green shirts -- surprised the crowd and performed his hit, 'I Get Money.' Dipset's young emcee Juelz Santana was also in the house and joined Brown on 'Run It!'

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