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Selma Blair is an American actress. She has been commonly cast in roles in which she plays a mean girl or a villain. For example, she played the role of Kathryn Merteuil in the 1999 film Cruel Intentions. She also played the role of Regina George in the 2004 film Mean Girls. Blair has also played other roles, such as a romantic lead in the 2000 film Legally Blonde.