Nicole: Wild to ... Mild?

It's a total-life makeover: From her hair to her diet to her friends, see Richie's most dramatic changes. By Serena Kappes

HER BODY

Then: Richie (in 2004) was curvaceous – and flaunted her figure with micro-miniskirts and low-dipping tops.
Now: A skinny Richie works out three to four times a week with L.A. trainer Adam Irnster (she's a fan of the rowing machine). "I have more energy and I'm more confident," she says.