I can’t with this girl somebody help this koo’s nest!  koo’s nest! TMZ Reports Amanda Bynes is now claiming the tweets bashing Rihanna (pardon the pun) did not come from her and were actually mocked up someone else … then she went on to say some other crazy stuff. Bynes went on another rambling Twitter run this afternoon, in which she says, “I saw a bunch of mocked up tweets about me bashing Rihanna in my mentions. I’m followed by so many people that someone is always mocking up fake tweets so I feel the need to address them!” Amanda Bynes Says “Chris Beat You Because You are Ugly!”  From there…