David Bowie
Anwar Hussein//Getty Images As a patron of the National AIDS Trust, Princess Diana attended a concert at Wembley Arena on World Aids Day, December 1, 1993. Before the celebration began, she chatted with David Bowie backstage.
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Grace Kelly
Bettmann//Getty Images The two princesses caught up at a 1981 fundraising concert and reception held at Goldsmiths Hall in London.
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John Travolta
Getty Images During Lady Di's first trip to the United States in 1985, she attended a black-tie gala hosted by President Ronald Reagan and First Lady Nancy Reagan. The evening's most memorable moment? When the Princess and John Travolta famously hit the dance floor.
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Elizabeth Taylor
Getty Images Princess Diana met Elizabeth Taylor at the premiere of The Little Foxes, the Broadway production that served as Taylor's stage debut. Here, Diana chats with the Tony-nominated star backstage after the show.
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Mother Teresa
Getty Images Mother Teresa and Princess Diana shared a wonderful friendship. After Diana's death, Mother Teresa commented, "She was very concerned for the poor. She was very anxious to do something for them, and it was beautiful. That is why she was close to me."
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Elton John
GERARD JULIEN//Getty Images She and British rocker Elton John stood side by side as they awaited a handshake with Archpriest Magio in 1997.
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Liza Minnelli
Dave M. Benett//Getty Images Princess Diana laughed at something actress Liza Minnelli whispered to her, while attending the 1991 premiere of Stepping Out in London.
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Tom Cruise and Nicole Kidman
Tim Graham//Getty Images Princess Diana met both Tom Cruise and Nicole Kidman at the July 1992 premiere of Far and Away in London.
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Hillary Clinton
John Stillwell - PA Images//Getty Images The then-First Lady and Princess Diana had breakfast together at a White House event.
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Tina Turner
Getty Images The "What's Love Got to Do with It" singer was all smiles as she greeted Princess Diana during the 1986 Prince's Trust Concert.
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George Michael
Tim Graham//Getty Images The singer, who Princess Diana considered to be a close friend, first met at this 1993 World Aids Day Concert of Hope at London's Wembley Arena.
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Duran Duran
Bettmann//Getty Images The iconic pop band members shook hands with Princess Diana at London's Dominion Theatre. She was there for the Prince's Trust Rock Gala.
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Tom Hanks
Pool/Tim Graham Picture Library//Getty Images For a film preview of Tom Hank's newest flick, Apollo 13, Princess Diana made an appearance in London and met the movie star, his actress wife, Rita Wilson, and the director, Ron Howard.
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Neil Diamond
Getty Images Following his 1984 concert at Birmingham's National Exhibition Centre, Neil Diamond chatted with Princess Diana. He gifted 2-year-old Prince William a stuffed Garfield.
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Billy Crystal and Meg Ryan
Princess Diana Archive//Getty Images At the 1989 premiere of When Harry Met Sally, the film's leads smiled as they make conversation with Princess Diana.
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Kate Moss
Tim Graham//Getty Images While attending a pre-auction party at Christie's in New York, Princess Diana mingled with supermodel Kate Moss.
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Phil Collins
Getty Images Before performing at a 1984 charity concert with his band, Genesis, Phil Collins surprised Princess Diana with a jacket for Prince William.
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Lionel Richie
Getty Images Three years later, singer Lionel Richie gifted the royal two similar jackets for Prince William and Prince Harry, before performing at Wembley Arena.
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Steven Spielberg
Princess Diana Archive//Getty Images The Princess of Wales met the American director at the London premiere of his film Jurassic Park in July 1993. She also met two co-stars, Ariana Richards (left) and Sam Neill (center, right).
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Paul McCartney
Martin Keene - PA Images//Getty Images The former Beatle and his then-wife, Linda McCartney, hung out with Princess Diana before his 1992 oratorio, titled Liverpool, at the Lille Congress Hall.
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