Katharine McPhee February 2010 Shape Magazine

Katharine McPhee shows off her sexy bikini body on the cover of the February 2010 issue of Shape magazine, where she says she’s “in the best shape ever.”

McPhee, 25, talks to the mag about her struggle with bulimia and says she’s become more forgiving of her body.

Check out some interview highlights below:

On stopping the obsession over weight: “The more I focused on my weight, the worse my bulimia got. Now I’m more easygoing. I stopped fighting myself and became more forgiving of my body. Ironically, the weight came off naturally through exercise but no dieting.”

On being healthy: “At my last physical, the nurse took my vitals and said, ‘Wow, you must be taking care of yourself! Your blood pressure is perfect. You’re very healthy.’ Hearing her say that made me feel better than seeing an ‘ideal’ number on the scale.