"I would say, 'Really, I could gain that much weight in one week?'" she shared. Soon after welcoming her son, Simpson hopped back on the diet bandwagon, presumably partly because of her ...

As a mother of three, Simpson knows a thing or two about the impact pregnancy can have on a woman's body. "I’ve lost 100 ...

So the majority of the weight loss actually came from everything she did outside of the gym, and then everything in the gym is about toning and tightening,” he says. Pasternak says that Simpson ...