Hayden Panettiere

If you're hooked on Heroes, then you will already be familiar with this cheerleading beauty; if you're not, then get into it fast. The critically-acclaimed show was nominated for two Golden Globes and an Emmy in 2007, thanks to its sharp dramatic plots. Eighteen-year-old Hayden, who loves showing off her fabulous pins in body-con dresses, plays your average high school student... with super powers. Convinced you've seen her before? Hayden played Ali McBeal's long-lost daughter, Maddie Harrington, in the Nineties TV series.

Defining Moment: Landing the role of Clare Bennet in Heroes in 2006

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