pop artists attend 30th birthday party
{"Image ImageDescription": "HOLLYWOOD, CA - JUNE 18:  Musicians Usher (L) and Justin Bieber attend Scott 'Scooter' Braun's 30th Birthday Party at the Music Box Theater on June 18, 2011 in Hollywood, California.  (Photo by Charley Gallay/WireImage)", "Image Copyright": "2011 WireImage"}