Jennifer Lopez on stage in Madrid earlier this monthJennifer Lopez chose to lean into the unpredictable over the weekend when she suffered a wardrobe malfunction live on stage.On Friday night, J-Lo was performing in Warsaw, Poland, where she was surprised by her backing band and fans with an impromptu rendition of Happy Birthday To You, to commemorate her turning 56 a day earlier.Unfortunately, as she made her way back on stage, it seemed she got ready in a bit of a hurry, as she lost her skirt in the process.Jennifer Lopez has a wardrobe malfunction and handles it like a pro