Heidi Klum, Jessica Alba, and More Celebrities Who Showed Off Major Weight Loss Just Months After Giving Birth

Did you know that Heidi Klum walked the runway just five weeks after giving birth? Her post-baby body was insane!

RELATED: Kim Kardashian Shares Impressive Weight Loss Just Three Months After Giving Birth

She's not the only celeb to flaunt major weight loss shortly after her pregnancy. Click through the gallery to see more stars who lost their baby weight miraculously fast.