Michael Jackson's oldest son, Prince, plans on testifying at the wrongful death lawsuit trial of his superstar father, Breaking Celebrity News is exclusively reporting.

"Prince absolutely plans on testifying," a family insider tells Radar. "His grandmother, Katherine, filed the lawsuit against AEG, which was the concert promoter for Michael's comeback concerts that were scheduled to take place in London. Katherine contends that AEG was responsible for her son's death because they were responsible for hiring Dr. Conrad Murray to be his physician.

"Prince very much wants to take the stand and plans to tell jurors about specific conversations he had with his father about AEG. Prince will also testify about the fateful day his father died, as he was an eyewitness to the efforts that were made to save his life. There are no plans for either Paris or Blanket to testify though."

As Breaking Celebrity News previously reported, Katherine suffered a huge legal setback this past week when