Jessica Simpson Says She Didn't Know She Could Get Pregnant While Breastfeeding: 'Wait, What?' As she makes her highly anticipated return to the music scene, Jessica Simpson is sharing anecdotes about some of the major changes in her private life that took place during her hiatus.

After 15 years away from music, Jessica Simpson kept her cool as her outfit slipped down as she performed a medley of her older songs.

Jessica Simpson isn't letting a little wardrobe mishap get in the way of her comeback! The singer, 44, suffered a wardrobe malfunction on the Wednesday, July 23 edition of Today when she took to the stage with new music after a 15-year hiatus.