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.

The pop singer performed a medley as part of the NBC breakfast show’s summer concert series, and she’s such a pro that viewers wouldn’t have known anything was amiss.

Jessica Simpson, Who Took 15-Year Break From Live Performance, Causes a Stir With Outfit Choice originally appeared on Parade. Jessica Simpson delivered a show-stopping performance at the Today show, but it wasn’t just her comeback that grabbed the public’s attention.