NEW You can now listen to Fox News articles! Former Playboy Bunny Holly Madison is pulling back the curtain on what life was really like for her under Hugh Hefner's reign. On Kristin Cavallari's " Let's Be Honest " podcast, Madison claimed that there were "weird" group sex nights and that she believed the Playboy Mansion felt "cult-like" with everyone fawning over Hefner. Madison told Cavallari that the group sex nights began with all the Playboy Bunnies taking turns having sex with Hefner, explaining, "Then the girls who weren't active with him were kind of like acting like they were active with the other girls, but not really." Holly Madison revealed what it was really like for her living in the Playboy Mansion. (Denise Truscello/WireImage) Madison continued, "It would be like kind of silhouetted, because you'd have like these giant screens of porn going, and it would be just girls, like, talking s--- with each other.…