• JESSICA SIMPSON photo | Jessica Simpson

Credit: Sharpshooter Images/Splash News Online

Published: Thursday December 27, 2012 06:00 AM EST

2012

JESSICA SIMPSON

Following daughter Maxwell's arrival in May, the Simpson found new inspiration to ditch the baby weight. "I want to be as healthy as I can because I'm a mom now," the Weight Watchers spokesperson told Katie Couric in September, showing off her 40-lb. weight loss. "For me, I really want to do something that is a lifestyle, because in the past, I've been known to yo-yo diet."