Go HERE for more photos of this party by JT WHITE.

DJ Cassidy celebrated his birthday (28th) in style last night. What does that even mean? Well, when you're one of the hottest dj's in the world, it means taking over the NY Public Library for friends like Jay-Z and Bobby Brown to come help you celebrate. And, in his custom Paul Stuart red linen tuxedo and custom Stubbs and Wooton black velvet shoes (with red music notes), he was the most stylish Birthday Boy we've seen in a long time. A taste of photos below, more to come today! [Interview With DJ Cassidy]

A natural phenomenon

Jay-Z stopped by

Bobby Brown