By Alexis Tereszcuk - Breaking Celebrity News Entertainment Editor

MTV reality star Joey Kovar has died at the age of 29.

Joey appeared on the Real World: Hollywood in 2008 and his struggles with cocaine and alcohol use were featured on the show.

He entered rehab while on the show.

Joey was reportedly found dead Friday morning by a friend inside a Chicago area home and the friend called 9-1-1. His cause of death has not yet been determined.