The former Heroes star was once in the limelight a lot more.
Her show was a hit on NBC, and she was a celebrity news staple. Nowadays the Long Islander is under the radar a bit, as well as under Wladimir Klitschko.
We mean because he's like seven feet tall, not in that way.
Anyway, we've always loved Hayden and wish her a very special 21st. Here's a little tribute of Hayden Panettiere pictures to honor the big day ... (thehollywoodgossip)
