India, April 17 -- JK Rowling is celebrating the UK Supreme Court's unanimous ruling that trans women are not legally women. The Harry Potter author took to social media on Wednesday to hail the decision, noting that it "protected" women's rights. In the landmark ruling, five judges agreed that the legal definition of woman under the country's 2010 Equality Act refers "to a biological woman and biological sex," per New York Post.

"It took three extraordinary, tenacious Scottish women with an army behind them to get this case heard by the Supreme Court and, in winning, they've protected the rights of women and girls across the UK. @ForWomenScot, I'm so proud to know you," Rowling wrote on X.

The 59-year-old author shared a series of twee...