Some actors will do a lot for a role -- go on diets, gain weight, learn to play guitar, or train in martial arts. But not many have gone the lengths that Sofia Vassilieva did for her role as cancer-stricken Kate in the big screen adaptation of My Sister's Keeper -- she shaved her head and her eyebrows! A price to pay for anyone, it's more devastating for a 15-year-old, but it was all worth it for Sofia. Wanna know more about Sofia and her onscreen fam, including Cameron Diaz and Abigail Breslin? Then keep reading!

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