They did battle with each other during the first season of The Real Housewives of Beverly Hills.
Now, Kim Richards and Kyle Richards are at it again in the latest edition of a THG Fashion Face-Off.
The irritating aunts both walked the red carpet this week at the launch party of their niece's upcoming reality show, The World According to Paris. It was held at The Roosevelt Hotel in Hollywood. Compare their looks below and let your opinion be heard...
Paris Hilton's aunts take each other on in this edition of the THG Face-Off. Vote now between Kim Richards and Kyle Richards. View Poll »