Jessica Simpson is a dirty girl

Jessica Simpson only brushes her teeth three times a week because she doesn't want to mess with the whiteness.

The singer regularly flosses and uses mouthwash to keep her breath fresh, but she refuses to brush daily with toothpaste.

Appearing on Wednesday's Ellen show, Simpson says, "My teeth are so white, and I don't like them to feel too slippery, but I do use Listerine and I do floss everyday. But, I don't brush them everyday."

And even then, she's reluctant to use a toothbrush: "I'll use a shirt or something. I know it's gross but I always have fresh breath."
Yuck!!!