Katt Williams ushers in Kattpacalypse, with an explosive New Year's Eve performance filmed live in front of 7,000 screaming fans at Los Angeles' Nokia Theatre.Katt Williams ushers in Kattpacalypse, with an explosive New Year's Eve performance filmed live in front of 7,000 screaming fans at Los Angeles' Nokia Theatre.Katt Williams ushers in Kattpacalypse, with an explosive New Year's Eve performance filmed live in front of 7,000 screaming fans at Los Angeles' Nokia Theatre.