By InStyle Staff
Dec 22, 2011 @ 1:42 pm
Courtesy of Sony; Getty Images

We caught up with The Girl With the Dragon Tattoo's wardrobe stylist, Trish Summerville and she gave us the dish on the inspiration behind Rooney Mara's famous micro-bangs, bleached brows and the many wardrobe changes—between 40 and 50! Click through the gallery to hear what she has to say!

MORE: Everyone Has Some Lisbeth in Them…Rooney Mara’s Lisbeth Transformation

—Selene Milano with reporting by Leah Abrahams and Michelle Ward