Who saw this feud coming?? And then who saw it spiraling out of control like this?!
And that little letter soon exploded into one helluva cray cray feud!
After the tweet, Sinead sent out another letter, this time threatening legal action, but Mileybird quickly pushed that to the side, claiming she's been too busy getting ready for her Saturday Night Live gig to deal. But that excuse isn't going to stop Sinead; the twerk queen has stirred up the shizz a bit too much!
The Irish singer penned yet another letter to the Mileybird, saying:
Tags: amanda bynes, apology, britney spears, celebrity feuds, crazy, facebook, feud, health, illness, legal matters, mental health, miley cyrus, mileybird, music, rehab, saturday night live, sinead oconnor, singer, snl, tweet, twitter