Jessica Simpson only brushes her teeth three times a week - because she doesn't want to mess with the whiteness.
The singer and Dukes of Hazzard star regularly flosses and uses mouthwash to keep her breath fresh - but she refuses to brush daily with toothpaste.
Appearing on Wednesday's Ellen show in America, 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."
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