Carrie Underwood may be beautiful but with the scrutiny stars face, even she struggles with body image. In the newest issue of InStyle (which features Carrie on the cover), she touches on thinking about her appearance, particularly when she’s constantly in the spotlight.

“I think about what I look like probably more than I should. But I think everybody is her own worst critic,” she says. “Some days I step out of the shower, put my lotion on, and I’ll be like ‘Ugh, ew, ew.’ ”

She rarely goes out without makeup and keeps a food diary: “I’m OCD like that,” Underwood admits. “I count calories, fat and fiber – which is important in making you feel fuller faster – and protein, especially when I’m working out.”

Why is she so strict with herself? “If I put on five pounds, it’s noticed immediately,” says Underwood.

Still, she says, “I’m content with 90 percent of me. I like my teeth. Sometimes I wonder if my orthodontist realizes how important he was.”