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Harry Potter sweetheart Emma Watson takes on an adventurous new role in The Perks of Being a Wallflower, debuting this fall on the big screen.

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Sporting a daring new 'do, the 22-year-old tackles somewhat risqué subject matter in Stephen Chbosky's coming-of-age-novel-turned Hollywood feature, such as sex, drugs, love and relationships.

Co-starring Logan Lerman, Ezra Miller, Nina Dobrev and Paul Rudd, the adaptation of the 1999 cult novel shines a spotlight on high school freshman Charlie (Lerman) as he navigates the throes of adolescence with the help of new friends Patrick (Miller) and Sam (Watson).

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The Perks of Being a Wallflower hits theaters September 14.