Who'd of thought Miley Cyrus and Sinead O'Connor would have gotten themselves into a Twitter feud, but it's happened and it's spiraling down a nasty path..
The Irish singer initially sent an open letter to Miley, asking her to stop 'prostituting' herself but it didn't go down to well with Cyrus.
She responded by posting a picture of some of Sinead's former tweets, which she had written during a time of extreme mental illness.
Now sinead has responded with Open Letter Number 2 where she tells Miley 'It is not acceptable to mock any person for having suffered'
“I mean really really… who advises you?” she asks. “Have you any idea how stupid and dangerous it is to mock people for suffering illness?”
Read the full thing on her website