Actress makes the announcement on Twitter

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A number of high-profile women are openly discussing their bisexuality or sexual fluidity, with many choosing Twitter as the place to speak frankly and directly to their fans.

Cara Delevingne, Amandla Stenberg and more recently Kristen Stewart have spoken about their orientation and same-sex relationships in big steps forward for LGBT visibility.

On Monday, the Disney actress Bella Thorne joined those talking about their sexual orientation. Thorne, 18, was pictured kissing a female friend in a picture shared on social media. Thorne also posted a Snapchat of herself kissing a woman.

When one of her 6.4 million followers asked if she was bisexual, she simply replied: “yes”.

Thorne thanked fans for their “accepting tweets” after the overwhelming show of support emerged shortly after her response.

Stewart gave her most forthcoming interview about her decision to come out as bisexual during a recent interview with Elle. The 26-year-old is in a relationship with the visual effects producer Alicia Cargile and said her decision to speak openly about her relationship was to tackle any suggestions she could be ashamed of being in a same-sex partnership.

“When I was dating a guy I was hiding everything that I did because everything personal felt like it was immediately trivialised, so I didn’t like it,” she explained. “We were turned into these characters and placed into this ridiculous comic book, and I was like, ‘That’s mine. You’re making my relationship something that it’s not.’ I didn’t like that.

”But then it changed when I started dating a girl. I was like, ‘Actually, to hide this provides the implication that I’m not down with it or I’m ashamed of it, so I had to alter how I approached being in public. It opened my life up and I’m so much happier.”