Sizzlin' Pics: The Hottest 25 Stars Who Are 25 & Under!
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Saoirse Ronan (16)
What's She Done: Irish actress Saoirse Ronan has made a name for herself in a short amount of time. Nominated for an Oscar for her role in the WWII tear-jerker 'Atonement' (2007), the actress has also taken on dramatic roles in 'The Lovely Bones,' 'City of Ember,' and 'The Way Back.'
What's Next: Saoirse will take the lead in the film 'Hanna' about a 16-year-old who is raised to be the perfect assassin and is dispatched on a dangerous mission across Europe. She also plays another teenage assassin in 'Violet & Daisy.'
