The actress has previously revealed that, days after giving a powerful speech on gender equality to the UN in 2015, a website was created which threatened to release "nude pictures" of her.

"I knew it was a hoax. I knew the pictures didn't exist," Watson later said in a HeForShe Facebook livestream. "But I think a lot of people that were close to me knew gender equality was an issue but they didn't really think it was that urgent or particularly, you know, 'We live in Great Britain, this is a thing of that past'... and then when they saw that the minute I stepped up and talked about women's rights, I was immediately threatened - I mean, in less than 12 hours I was receiving threats - and I think they were really shocked and particularly one of my brothers was very upset."

However, the experience certainly did not make the actress shy away from speaking about feminism in her role as the ambassador of the UN's HeForShe campaign, which aims to engage men with the fight for gender equality.

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"If anything, it made me so much more determined," she said. "I was just raging. it made me so angry that I was just like...'This is why I have to be doing this!' So if anything, it actually, if they were trying to put me off it, they did the opposite."