Article continues below advertisementWas Jennifer Lopez's wardrobe malfunction at her Up All Night show in Warsaw, Poland, all an act?At her Friday, July 25, concert, the singer screamed in surprise as her gold fringe skirt fell to the floor while onstage, but an insider claimed the ordeal was actually planned ahead of time!Article continues below advertisementSource: jennifer lopez/youtubeJennifer Lopez's skirt fell off in the middle of her July 25 concert."It was a stunt. The skirt unfastened like Velcro. The dancer 'fumbled' with it.