Following yesterday's Behind The Music-worthy meltdown, we've got a new batch of C.Lo buzz, courtesy of Uncle Grambo, who loved "Malibu," but was not so into the screaming stuff (I made that up)... Tonight... 1. Courtney will perform and do an interview on Letterman 2. Court's also planning a secret after-show performance at Plaid 3. Then she's gonna dig up ...