Hilary Duff gave birth to Luca Cruz less than two weeks ago, but is already exercising to get her prepregnancy body back. She hit the gym Saturday and tweeted, "20 minutes on the elliptical seems like an eternity!!! What the hell…" Though many obstetricians recommend holding off on exercise until six weeks postpartum (longer for a C-section), every woman is different. Here are some workout tips Read more

Suck it in! New mama Christina Applegate appeared on The Tonight Show last night to talk about her highly anticipated new show Up All Night. On the way to tape the show, the actress sent out a hilariously revealing tweet that read, "On my way to the Tonight Show. Spend a little time with Jay. My spanx are so tight I feel I may faint. Good times . . ." When Leno complimented the actress on her Read more

New momma Kourtney Kardashian gave birth to her son on Dec. 14, and she's already on the cover of OK! magazine looking like she's back to her prebaby body. Before you get all jealous or outraged, you should know that the photo is a lie, and Kourtney is not pleased. She told Women's Wear Daily, "They doctored and photoshopped my body to make it look like I have already lost all the weight, which I Read more

Kourtney Kardashian gave birth to Mason Dash Disick about a month ago, and now she's slowly getting back in shape. Could she be inspired by sister Kim, who recently reached her weight loss goal? Kim slimmed down with a strict exercise regimen and the QuickTrim diet products, so what's Kourtney's plan? According to a recent Us Weekly article, this 30-year-old is hoping to shed her extra 26-ish Read more

Thanks to a healthy attitude — and a little encouragement from hubby Seal — Heidi Klum is working to get her body back in shape after baby number four. Still, if you're expecting the supermodel to take a turn in the annual Victoria's Secret Fashion Show, you might be surprised to learn that she won't be walking the runway this year, but playing hostess duty instead. In an interview with US Read more

Olympic beach volleyball player Kerri Walsh gave birth to her first child last month, and of course everyone's interested in her post-baby body. Kerri told People magazine, "36 lbs. is the official number. I just didn't want to hit 40 because that would be 200 lbs. But I feel pretty silly now that I see Joey." As a professional athlete, Kerri's sense of body image goes beyond the numbers on the Read more