A look-alike is a person who closely resembles another person. In popular Western culture, a look-alike is a person who bears a close physical resemblance to a celebrity, politician or member of royalty. Many look-alikes earn a living by making guest appearances at public events or performing on television or film, playing the person they resemble. A large variety of celebrity look-alike images can be found throughout the web, including images placed by professional agencies that offer their services.
Look-alikes have also figured prominently at least since the 19th century in literature, and in the 20th and 21st centuries in film.
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