Rihanna's 777 tour's been filled with drama -- but everything should be VERY chill backstage ... at least based on her list of must-have food items for her dressing room. What, and Plus, "American Idol" champ Phillip Phillips just bit the hand that feeds him! Did he just pump up "The Voice" and put down 'Idol" in one fell swoop? Also, legendary rapper Too $hort will be in the newsroom talking about his new music ... and critiquing Paris Hilton's duet with Lil Wayne.