The fourth season of Bad Girls Club premiered on December 1, 2009, on Oxygen. This season's reunion was hosted by Perez Hilton and is the first season to have more than one part. Oxygen renewed Bad Girls Club for a fourth season in April 2009. Production of the season 4 began in June 2009, similar to seasons 1 through 3. Casting began several weeks before the season premiere of season 3 with potential applicants submitting video tape submissions. Casting calls, similar to previous se