Heroes hottie Hayden Panettiere completely dazzled in a sexy black partially see-through lacy dress from designer Caroline Seikaly’s brand new resort collectionand a pair of fabulous black heels when arriving at the Sullivan Theatre for the ‘Late Show With David Letterman‘ on Monday (July 6).

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Previously, she has never shied away from sexy clothes that show off her toned physique. WOW! It takes a lot of confidence to get into a dress like that. The 19 year-old actress is currently promoting her new movie, which includes a nude scene, title “I Love You, Beth Cooper”.

With this movie coming soon, we sure can expect to see more of Hayden – and more looks for that matter – in the days to come.

Hayden Panettiere See-Through Lacy Dress Photos

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What do you think? Would you wear it? What would you do differently? Discuss!