Audrina Cathleen Patridge (born May 9, 1985)[1] is an American reality television and actress personality, best known as one of the cast members, along with Lauren Conrad, Heidi Montag and Whitney Port, on the MTV reality show The Hills。

　　Rebecca Sara "Becki" Newton (born July 4, 1978) is an American actress. Newton is currently a regular cast member of Ugly Betty。

　　Kathleen Erin Walsh (born October 13, 1967) is an American film and television actress, currently known for her role as Dr. Addison Montgomery on the ABC dramas Grey's Anatomy and Private Practice。