In the wake of a gunman’s massacre at a gay nightclub in Orlando, Florida, early Sunday, former child star Mara Wilson has come out as bisexual and expressed her solidarity with the victims and their families.

Wilson, 28, who played the title role in “Matilda” (1996) and starred as one of Robin Williams’ children in “Mrs. Doubtfire” (1993), began a series of tweets Sunday with a photo of herself “at a gay club when I was eighteen. . . . Being a ‘straight girl’ where I clearly didn’t belong, but I will say, I felt so welcomed there. I have never had a better experience at a club than I did then. Great music and people. And one of my friends met his partner that night!” she wrote, adding that “the LGBTQ community has always felt like home, especially a few years later when I, uh, learned something about myself.”

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She stated plainly the next day that, “I *used* to identify as mostly straight. I’ve embraced the Bi/Queer label lately,” and specified, “I’m a 2” on the Heterosexual-Homosexual Rating Scale, commonly called the Kinsey Scale, of Indiana University’s famed Kinsey Institute, which studies human sexuality. The scale says a 2 represents “predominantly heterosexual, but more than incidentally homosexual.”

“I know a lot of people don’t like the Kinsey scale, and that is fine by me,” Wilson tweeted. “But I’m pragmatic at heart and find comfort in numbers.”

Stating she had “no interest in doing interviews about this at the moment, at least not with people I don’t know personally,” Wilson said that, “If I am going to talk about this right now, it will be my own words. My own writing. Please respect that.”

A 2009 graduate of New York University’s Tisch School of the Arts, Wilson writes articles and plays, including “Sheeple,” produced in 2013 for the New York International Fringe Festival.

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She ended with a tweet on Tuesday asking people to donate to the GoFundMe page for the Pulse Victims Fund, coordinated by the LGBT civil rights group Equality Florida. As of late Wednesday, the fund had raised $4.5 million in three days.