Jessica Simpson’s kids keep her in shape

Jessica Simpson's children have helped her lose weight. The 33-year-old singer - who has 19-month-old daughter Maxwell and five-month-old son Ace with her fiancé Eric Johnson - hasn't struggled to shed her baby weight because her toddlers keep her on her feet all day long. She told USA Today: 'With both kids I'm running up and down my stairs a million times. Eric and I go on walks together. I try and walk about four miles a day consistently....watchnow>>