Barbra Streisand references alleged Prince Charles affair onstage: 'I could have been the first Jewish princess'

Princess Barbra?

Barbra Streisand referenced her rumored romance with Prince Charles multiple times while onstage during her British Summer Time Hyde Park concert on Sunday night in London.

"If I had played my cards right, I could have been the first Jewish princess," Streisand said during the gig as photos of herself with Charles flashed on the screen behind her, per the Daily Mail. At another point, she displayed a newspaper headline from the time that read, "Barbra charms her prince, Charles."

SEE ALSO: Princess Diana kept a huge secret from Prince Charles before Harry's birth

Streisand and Charles first met on the set of "Funny Lady" in 1974, and the pair met once more in 1994 when she performed at Wembley Arena in London for his Prince's Trust charity. It was that year, two years after Charles had split from Princess Diana and when he was connected to Camilla Parker Bowles, that reports claim that the future king had an affair with the "Evergreen" singer during a trip to the United States.

Prince Charles and Barbra Streisand in 1994. (Credit: Getty)

Christopher Andersen detailed the alleged tryst in his 2016 book, "Game of Crowns: Elizabeth, Camilla, Kate and the Throne," in which he claims that the pair "had a secret rendezvous at the Bel Air Hotel that no one [knew] about."

One person he claims did know? Charles' then-ex, Diana: "Something was going on and Diana knew all about it."

SEE ALSO: Prince Charles looks just like son Prince Harry in throwback footage

Charles had previously said that Streisand was his "only pin-up," and he reportedly had a poster of her in his bedroom at Cambridge.

Streisand also alluded to two other royals during her concert in the park. She called Princess Diana "so kind," and also changed the lyrics to her opening song to reference the Duchess of Sussex.

"When the sun begins to sparkle, like that ring on Meghan Markle," she sang.

During the show, Streisand brought out Kris Kristofferson to duet on one of their tunes from "A Star Is Born," as well.

RELATED: See photos of Barbra Streisand and Kris Kristofferson in "A Star Is Born":

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