Nope, your eyes aren't fooling you, that's Hayden Panettiere underneath those bleached bangs. Didn't recognize her? It's okay, we did a triple-take when we saw her outside of the David Letterman studios last night. Turning heads would be putting it mildly, though. There was an audible thump of jaws hitting the floor when Panettiere stepped out in Alexander McQueen and a shocking blue Celebrity Nail Tech Elle manicure showing off her newfound relationship with the flatiron, and freshly covered forehead.