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By Alisha, InstantCast assistant editor

From Angelina to Jamie Lynn, it seems like new Hollywood moms are popping up left and right! Here’s how A-list celebrities go from mummy to yummy in no time:

It’s obvious from her rock-hard abs that Gwen Stefani is a gym devotee, but she says post-pregnancy fitness is all about letting yourself indulge. She admitted, “I cheat every day at least once.”

Whether it’s in Bond movies or as Catwoman, Halle Berry is always showing off her perfect figure. After having her baby, she went for a disciplined routine of 1 hour of cardio for 5 days a week.

Jaime Pressly told Fox News, “You have to treat yourself every now and then.” She lost the baby weight by mixing up a cabbage soup diet with the occasional trip to McDonalds!

Jennifer Lopez kept her famous curves in tip-top condition by doing Pilates everyday. After her pregnancy, she cut down on calories and eliminated all carbs from her diet.

By Alisha, InstantCast staff writer