NEW PHOTOS: Kristen Stewart Wigs Out As Bella

Bella is back!  Kristen Stewart dons a long-haired dark brown wig as she transforms herself back into Bella Swan for The Twilight Saga: Eclipse. Stewart is in Vancouver for third installment of the Twilight series and production workers tried in vain to keep her renewed look hidden.

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Kristen had chopped her hair into a much shorter almost punk-style for her last flick, The Runaways.  She plays Joan Jett in the biopic and was a dead ringer for the rock icon.