Bad Girls is the seventh studio album by American singer-songwriter Donna Summer, released on April 25, 1979, by Casablanca Records. Originally issued as a double album, Bad Girls became the best-selling and most critically acclaimed album of Summer's career. It was also her final studio album for Casablanca Records. In 2003, Universal Music re-issued Bad Girls as a digitally remastered and expanded deluxe edition. No. 1 on the Billboard 200 for 5 weeks, from the issue of July 7, 1979. Wiki link