Emma Watson showed off her lean physique in a sports bra on the way to the gym for a work out in Pittsburgh, Pennsylvania. The "Harry Potter" star carried the book "Chicken Soup for the Soul".

Watson is in Pittsburgh filming "The Perks of Being a Wallflower." The movie centers on an introvert freshman named Charlie who learns everything from drug use to suicide by step siblings Sam and Patrick.

She also stars in "My Week With Marilyn" about an employee of Laurence Olivier's who documents the tense interaction between Olivier and Marilyn Monroe during production of "The Prince and the Showgirl."



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