All of the Jackson children are listed as plaintiffs in the case against AEG, but on Wednesday, Prince Michael Jackson took the stand just a day after the 4 year anniversary of his father’s death. Michael's eldest son, accompanied by TJ and Katherine were escorted underground to avoid the media. His emotional testimony could be a game changer for the Jackson family, who seeks an estimated $40 billion in damages. For the latest entertainment news, check out “omg! Insider” on TV.