Ricki Lake has trimmed 140 lbs. from her all-time top weight of 270 pounds - and says she is holding steady.
"I can't believe I was a fat person for most of my life," the former talk show host, rocking a sexy black Herve Leger dress (size small), told PEOPLE at a recent benefit for the New Space for Women's Health, a New York City birthing center slated to open in 2010.
"I didn't have surgery and I worked hard. There's no secret. I'm active. I watch what I eat," Lake, 40, adds.
HuffPost Entertainment is your one-stop shop for celebrity news, hilarious late-night bits, industry and awards coverage and more — sent right to your inbox six days a week. Learn more