Blythe - A student at Princeton who was "hanging out" with Ben while he and Anna were on a break from their relationship. Blythe was unintentionally led on by Ben and the two had sex. Blythe, however, is a good sport and agrees to stop pursuing Ben after she finds out he wants to get serious with Anna. However, Anna did not know the exact details of their relationship until the joint BHH and Pacific Palisades graduation party and breaks up with Ben for lying to her.