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Keri Russell

Just two weeks after the birth of daughter Willa Lou in December, Russell – who is also mom to son River, 4, stepped out in New York City looking as thin as ever! Her secret? “Breastfeeding!” she has said. “It’s miraculous! I mean, within two weeks, you’re like, ‘Whoa, where is everything?” (3/8/2012)

Beyonce Flaunts Post-Baby Body

Blue Ivy's mom is the latest celeb to shed her pregnancy weight in no time. Check out pics of Jessica Alba, Kate Hudson, and Keri Russell before and after baby.