"I didn't wear my retainer," Hill told country radio station KNIX in October. "I had braces when I was a kid. You know, it's not too bad."
Hill was at the Grammys to present an award with her husband, Tim McGraw.
The musical duo spoke to Ryan Seacrest about their co-headlining show in Las Vegas:
Boston schools pull out free condoms over wrapping complaints
NBC reportedly holds celebs hostage to Jimmy Fallon's show