SINGER Macy Gray has slammed the rules on transgender athletes - telling Piers Morgan changing your parts "doesn't make you a woman".
Macy, 54, said she knew people would "hate me for saying this" but believes it "doesn't make you a woman just because I call you a 'her' and just because you got a surgery".
The American singer made the controversial claims while speaking in an interview on Piers Morgan Uncensored last night.
Discussing the topic of transgender women in sports, Piers said: "I support all trans rights to fairness and equality."
But he added he doesn't support transgender people with "physical superior bodies" who thrash women in their sports.
Macy replied: "I totally agree... if you want me to call you a 'her', I will, because that's what you want but that doesn't make you a woman just because I call you a 'her' and just because you got a surgery."
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And she said: "Just because you go and change your parts doesn't make you a woman, sorry."
It comes after trans swimmers were banned from competing in women's races following a rule change designed to protect female athletes.
Global swimming regulator Fina says the move will make women’s swimming fairer and “protect the rights of our athletes to compete”.
Piers said most public figures would be too scared to say "what a woman is".
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Macy Gray agreed, telling the host: "I know!.. I would say a human being with boobs. How about you start there? And a vagina."
She added: "A woman goes through a completely unique experience and surgery and finding yourself doesn't change that.
"Being a little girl is a whole epic book, you know? You can't have that just because you want to be a woman."
The latest swimming rules mean transgender women will only be eligible to compete against other women if they complete transition by the age of 12.
They must also have not gone through male puberty.
Piers' latest interview comes after he lay into "shockingly naive" Bernie Ecclestone after the ex-Formula 1 boss doubled down on backing Vladimir Putin.
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He also last week claimed Diana Ross "sounded like a bunch of drowning cats" at Glastonbury.
And he hilariously told pal Cristiano Ronaldo it's now the time to sign for Arsenal.
You can watch the full interview on Piers Morgan Uncensored on TalkTV, which also airs on Fox Nation in the US.