nyc Hayden Panettiere david letterman late show blonde smile dress legs heels

Hayden Panettiere rocked a sexy little lace number when she made an appearance on Letterman the other day, and we gotta say, the actress is looking mighty fine! Gotta love it when celebs put a little extra effort into their appearance, especially when it comes time to promote their latest projects.

Will you guys see I Love You, Beth Cooper? She does have a little nude scene!