Fighting the 'Mom-Shell' Image: New Moms Struggle to Embrace Post-Baby Body

"We would have quotes from women saying, 'I cried, I work out so hard that I cry,' or, you know, 'I don't eat, I'm always hungry,' you know, crazy things that celebrities do," she said. "That at least puts a reality check on it. But Hollywood is fantasy and we have a hard time, at least when it comes to this area, of separating fantasy from reality because it's so personal for so many women."

In her book, Min shares what she learned about how the celebrities do it. Many famous women will wear a statement necklace, for instance, to draw the eye away from their figures.

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"Motherhood and weight are the two most loaded issues for women ever," she said. "And so when you put those two together, it's like moths to the light, but it's also like kerosene to the fire, and women get really obsessed."

When Jessica Simpson battled with weight gain after having her daughter Maxwell, she turned to celebrity fitness trainer Harley Pasternak, who first helped Simpson fit into her Daisy Dukes. In fact, getting her body back has turned into a sponsored event, with her every move watched by her 5.7 million Twitter followers.

But Pasternak said the key to losing the baby weight for any new mom is lots of walking, not a personal trainer. He said women should not feel bad about not bouncing back to their pre-baby figures.

"I've never weighed a client," he said. "I would be upset at someone for not taking care of their health, because as a mom you're setting an example for your child."