Rumer Willis, Emma Stone,
Anna Faris and Katharine McPhee
House Bunny co-stars Rumer Willis (in Herve Leger), Emma Stone, Anna Faris (in Stella McCartney), and Katharine McPhee (in Herve Leger) presented a united front. "The great thing we learned doing [the movie] is that any girl can be beautiful and can be attractive and confident," said Willis, getting philosophical about the flick.