Jessica Simpson <br />Loses 100 Pounds <br />by Walking Simpson’s personal trainer, Harley Pasternak, <br />worked with her doctor to create a health <br />regimen after she gave birth to her third child. Simpson shared on <br />Instagram that she had <br />weighed 240 pounds <br />while pregnant. Jessica Simpson, via Instagram Pasternak found healthy <br />alternatives to Simpson’s <br />favorite foods and had her <br />walk over 14,000 steps a day. The personal trainer wanted to <br />implement routines that Simpson <br />could maintain for years to come. Harley Pasternak, via ‘E! News’