I tried two pictures, on one I got, from highest match percentage to lowest: Jada Pinkett Smith, Emmy Rossum, Piper Perabo, Rebecca Loos, Joey Yung, Beyonce, Kale Cuoco, Hilary Swank, Natalie Imbruglia, and Yamila Diaz.
For the other, I got Piper Perabo, Lucille Ball (!), Miranda Otto, Mary Tyler Moore, Emmy Rossum, Audrey Tautou (I wish I looked like her...), Raven Symone, Natalie Imbruglia, and Vivica Fox.
So the common ones are Piper Perabo, Emmy Rossu, and Natalie Imbruglia...er...ok.