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English model Twiggy, originally Lesley Hornby, in a London street. (Photo by Meagher/Getty Images)

English model Twiggy, originally Lesley Hornby, in a London street.   (Photo by Meagher/Getty Images)

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English fashion model Twiggy, born Lesley Hornby. (Photo by Express Newspapers/Getty Images)

English fashion model Twiggy, born Lesley Hornby.   (Photo by Express Newspapers/Getty Images)

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CIRCA 1960s: Former First Lady Jacqueline Kennedy enjoys herself at a picnic circa the 1960s. (Photo by Michael Ochs Archives/Getty Images)

CIRCA 1960s:  Former First Lady Jacqueline Kennedy enjoys herself at a picnic circa the 1960s.  (Photo by Michael Ochs Archives/Getty Images)

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BIRMINGHAM, UNITED KINGDOM: Dusty Springfield poses on the set of Thank Your Lucky Stars TV show in Aston Studios c 1966 in Birmingham, United Kingdom. Image is part of David Redfern Premium Collection. (Photo by David Redfern/Redferns)

BIRMINGHAM, UNITED KINGDOM: Dusty Springfield poses on the set of Thank Your Lucky Stars TV show in Aston Studios c 1966 in Birmingham, United Kingdom. Image is part of David Redfern Premium Collection. (Photo by David Redfern/Redferns)