Ricki Lake: 'I Can't Believe I Was Fat'

12/31/2008 05:12 am ET | Updated May 25, 2011

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.

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