But she hasn't 'changed her mind' at all - that's a completely dishonest framing.
Her story 17 years ago, as she told 23 different witnesses including her parents, friends and a healthcare professional, was that she had unwanted, non-consensual anal sex with Russell Brand.
That's still her story today.
Again, he was found not guilty on other allegations of rapes - if this was just some overt witch-hunt, or a jury oh-so-biased they were going to convict Brand whatever the evidence, or indeed we lived in a society where rape allegations are just convicted on a whim, those other allegations would have stuck as well... but they didn't.