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What would Peggy think? Elisabeth Moss is known for her curly brunette locks on "Mad Men" but the star showed up on the red carpet with a fresh new look on August 21. The actress sported a similar hairdo to Miley Cyrus: a peroxide blond pixie cut. (Photo by Jamie McCarthy/WireImage)

Celebrity haircuts

From Elisabeth's Moss peroxide blond cut (did she take a page from Miley Cyrus' new look?) to Anne Hathaway's cute pixie, we look at the latest celebrity hairdos.