BEVERLY HILLS, CA - There was no shortage of boxers at HBO's Official Golden Globe Awards After Party at The Beverly Hilton Hotel. Several fighters rubbed shoulders with some of the biggest celebrities in the world. WBA/WBO/IBF/IBO heavyweight champion Wladimir Klitschko attended with actress/fiancé Hayden Panettiere, former undisputed heavyweight champion Mike Tyson was present, and so was IBO/WBA middleweight champion Gennady Golovkin.