Michael J. Fox says Princess Diana made the ‘Back to the Future’ premiere a ‘nightmare’ for him

Michael J. Fox was on The Tonight Show Starring Jimmy Fallon on Wednesday, to promote his new book No Time Like the Future: An Optimist Considers Mortality. While discussing the book, he recounted the world premiere of Back to the Future, which he says was significantly impacted by one very notable audience member.

Diana, Princess of Wales, not only attended the blockbuster event in London, she also sat right next to the actor during the screening.

"She was sitting next to me," recalled Fox. "The lights go down and the movie starts and I realise I am one fake yawn and an arm stretch away from being on a date with her, which is hilarious."

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Princess Diana
File photo dated 29/6/1994 of the Princess of Wales arriving at the Serpentine Gallery in London's Hyde Park to attend a gala dinner as its patron. Twenty-five years ago, the Princess of Wales stepped out in her "revenge dress".
Diana and the Queen snapped in good spirits.
TETBURY, UNITED KINGDOM - JULY 18: Princess Diana Resting Her Head In Her Hands Whilst Sitting On The Steps Of Her Home At Highgrove, Gloucestershire. (Photo by Tim Graham Photo Library via Getty Images)

The Princess of Wales rides in the passenger seat of a vintage Mercedes-Benz.

Princess Diana, Prince Harry, Prince William, Prince Charles at William's first day at Eton.
circa 1965: A young Lady Diana Spencer (1961 - 1997), later the wife of Prince Charles.
Prince Charles and his fiancee Lady Diana Spencer with Queen Elizabeth II at Buckingham Palace, 7th March 1981.
Prince Charles  and Lady Diana Spencer on their wedding day.
Prince Charles and Lady Diana Spencer on their wedding day.
Prince Charles, the Prince of Wales kissing his wife, Princess Diana (1961 - 1997), on the balcony of Buckingham Palace after their marriage.
Princess Diana on her wedding day.
(FILE PHOTO) The Prince and Princess of Wales leave St Paul's Cathedral after their wedding, 29th July 1981. She wears a wedding dress by David and Elizabeth Emmanuel and the Spencer family tiara.
A pregnant Princess of Wales joins the royal family on the balcony of Buckingham Palace for the Trooping of the Colour ceremony, June 1982. The Queen, Prince Philip, Princess Alexandra of Kent and Angus Ogilvy are among the group. 
(FILE PHOTO) The Princess of Wales attends a dinner held by President Ghulam Ishaq Khan in Islamabad during her official visit to Pakistan, September 1991.
Princess Diana pictured in a tiara.

Diana looks deep in thought on her wedding day.

Princess Diana smiles for the cameras.
Princess Diana in a stylish evening gown.
Princess Diana and Prince Philip at a polo match in Windsor on July 26th , 1987.
Prince Charles and Princess Diana leave St. Mary’s Hospital in London, with Prince Harry on September 16, 1984.
Princess Diana with her sons William and Harry in 1995.
Princess Diana pictured in a stylish beret.
Princess Diana is snapped in India.
Princess Diana doing charity work.
Princess Diana holding Harry as a baby.
Princess Diana meeting members of the public.
Princess Diana poses in a bikini during a holiday.
Diana beams as she sits with William and Harry.
Princess Diana pictured with young William.
Princess Diana is seen holding hands with her two young sons William and Harry.
Princess Diana with William and Harry.
Diana with her sons in December 1995.
Diana pictured with Charles.

An adorable Prince William and Prince Harry can be seen standing beside their mother, Princess Diana, as a little girl gives flowers to the Queen Mother in 1991.

Prince Charles, Prince of Wales, kissing Princess Diana, Princess of Wales, at a polo match.
Diana gets involved in a parents' day race.

Diana dazzles in a green frock.

Diana and Charles pictured at a glamorous evening event.
Diana and Charles pose for a formal picture.
Charles and Diana boarding a flight.
Charles and Diana as newlyweds.
Diana sporting a casual look.

Diana wears a tartan outfit to match Charles' kilt for a trip to Scotland.

A young Diana shows off sapphire sparkler.
Diana dazzles in white frock and tiara during trip to the Middle East.
Diana pictured with baby Harry.
Diana poses for pictures with members of the public during a walkabout.
Diana and Charles enjoy a family day out.
Diana pictured alongside a stern-faced Queen.
Diana pictured alongside Princess Anne.
TETBURY, UNITED KINGDOM - JULY 18: Princess Diana Resting Her Head In Her Hands Whilst Sitting On The Steps Of Her Home At Highgrove, Gloucestershire. (Photo by Tim Graham Photo Library via Getty Images)
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While sitting next to the princess was exhilarating, it wasn't without its drawbacks. In fact, she kinda ruined the entire movie watching experience for Fox.

"The movie started and also I had to go pee," recalled Fox. "So for the rest of the movie, I'm sitting there, like, dying. I can't say anything to her and I can't walk away from her because I can't turn my back on her. So it was just agony it could have been the greatest night of my life but it was just a nightmare. A pee-holding nightmare."

Diana also attended the UK premiere of Back To The Future Part III in 1990. What Diana made of the films is unclear, but filmmaker Rob Reiner recently revealed that the Princess of Wales was a fan of his film When Harry Met Sally.

"We were all sitting there nervous because as we approached the famous scene in Katz's Deli where my mother says, 'I'll have what she's having.' We realised, 'Oh my God, I wonder how she's gonna react to it?'" he told Extra.

Upon hearing the line, Princess Diana laughed. She then turned to actor Billy Crystal and said that she would be laughing a lot more but she knows that everyone was watching her.

- This article first appeared on Yahoo

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