kate winslet, saoirse ronan

Kate Winslet and Saoirse Ronan will play lovers in Ammonite, although neither is gay. (Photos by Siebbi and Andrea Raffin)

Kate Winslet and Saoirse Ronan are set to play lesbian lovers in the upcoming Francis Lee romantic drama “Ammonite,” even though neither are gay. Hello? What about Kristen Stewart?

Shouldn’t these roles go to gay actresses?

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Stewart has openly announced she’s sexually fluid, but has been dating women exclusively. She’s also started playing mostly lesbian roles.

Dozens of other actresses have also come out as gay and many are being excluded from romantic lead heterosexual roles because of marketing problems based on their sexuality.

“Ammonite” is based on the life of palaeontologist Mary Anning. It’s set in an 1840s English coastal town and follows her unlikely romance with a young, wealthy London woman.

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Anning unexpectedly becomes her nursemaid when the woman arrives in the town to convalesce.

Anning lived in late early 19th-century Britain. She is credited with making key scientific discoveries in the Jurassic marine fossil beds in the Channel at Lyme Regis in the county of Dorset in Southwest England.

She is credited with changing thinking about pre-historic life around the world. She died from breast cancer in 1847 just before her 48th birthday.

Producers include Iain Canning, Emile Sherman and Fodhla Cronin O’Reilly, according to Deadline. Filming is set to begin in March.

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Lee burst onto the film scene last year with his directorial debut “God’s Own Country.”

The film focused on a romance between a young sheep farmer in Yorkshire (Josh O’Connor) whose life is transformed by gay relationship with a Romanian migrant worker (Alec Secăreanu).

The film was nominated for Outstanding British Film at this year’s BAFTAs. O’Connor was also nominated for the Rising Star Award.

Kate is currently filming “Blackbird” and recently finished working on “Avatar 2.” Saoirse can be seen on screen opposite Margot Robbie in “Mary Queen of Scots.”

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Saoirse’s casting may have came as a surprise because she recently revealed she planned to take a long break after her challenging lead role in ‘Mary Queen of Scots’.

She said:

“I’m going to take most of the year off and travel, do a bit of writing and work with my friends on something small. We’re all around the same age, which is unusual for me because I’d always been the young person working on my own.”

The most challenging part of her role in the drama – based on Mary’s real-life attempt to overthrow her cousin Queen Elizabeth I, resulting in years of imprisonment before facing execution – was wearing four skirts, as she couldn’t sit down properly.

Asked about the costumes, she said: “Oh, corsets every day.

“We had, like, four skirts to wear at a time so you couldn’t sit in a chair because you might crease the dress. We had to sit on these little swivel stools. You’d lift up your skirt and just drop it down over the stool so wouldn’t even see it,” she said.

Hollywood has come out of the closet, so to speak, ever since the break-though 2005 film “Brokeback Mountain,” about rodeo cowboy Jack Twist (Jake Gyllenhaal) who has a long-term homosexual relationship with ranch hand Ennis Del Mar (Heath Ledger) in gay-phobic West Texas.

Since then, actresses like Stewart and Ellen Page have focused mostly on gay roles.

In the upcoming movie “Charlie’s Angels,” based on the television series, her character will be gay. She also played a gay character in the 2018 film “Lizzie.”

Page played a lesbian in 2015’s “Into the Forest” and 2017’s “My Days of Mercy.”

Not all gay roles go to gay actresses, however. One of the most popular films of all time, 2015’s “Carol” stars Cate Blanchett and Rooney Mara as lovers in repressed 1950s America. Neither is gay.

The 2013 French film “Blue Is the Warmest Colour,” explored the romantic relationship between an Introverted schoolgirl Adèle and a mysterious, blue-haired older woman, Emma.

The French film starred Léa Seydoux and Adèle Exarchopoulos, neither of whom are gay.