9. Hilly Holbrook (Bryce Dallas Howard) in 'The Help'

Pretty, posh Hilly isn't just racist, she's downright mean. She's so paranoid about sharing a bathroom with her maid, Minny (Octavia Spencer), that she insists Minny use the outside facility -- even during a hurricane! She bullies her fellow housewives into adopting her "two bathroom" policy and even puts her own mother (Sissy Spacek) into an old folks' home.