The singer Sam Smith has come out as non-binary in an interview with actress Jameela Jamil, saying he doesn't identify as male or female, but "somewhere in between".

Many non-binary people don't identify as male or female and use the pronouns they or them instead of he or she.

In a wide-ranging interview about body image, fame and self-acceptance for Jamil's I Weigh Interviews on Instagram, the Oscar-winning singer-songwriter opened up about gender identity for the first time.

Smith said: "I've never spoken about this and it's something that I'm not even sure in myself, but I recently was reading stories about people who come out as gender queer, non-binary, and I've always had a bit of a war within my body and my mind about how..."

"How you define yourself", Jameela interjected.

"Yes", Smith agreed, continuing: "Because I do think like a woman, sometimes, in my head. Sometimes I've sat down and questioned 'Do I want a sex change? And it's something that I still think about, do I want to? But I don't think it is.

"When I saw the word non-binary, gender queer, and I read into it, and I heard these people speaking, I was like, 'That is me.'"

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When asked to explain what that means, Smith said: "Non-binary, gender queer means you do not identify in a gender. You are just you. You are a mixture of all different things, your own special creation. That's how I take it. I'm not male or female, I think I float somewhere in between. It's all on a spectrum.

"I think the same for sexuality. You fall in love with people, not genitals. I've always been very free in terms of thinking about sexuality and so I've just tried to change that into my thoughts on gender.

"I'm feminine in many ways and I've always resented that. I've always been like 'no that's not manly, you've got to work out, you've got to lose weight, because that's what men do.'

Smith concluded: "Maybe I'm not a man, maybe I'm not a woman, maybe I'm just me, and maybe that's ok."