Even in death, Joan Rivers got what she wanted: A star-studded funeral, with the worlds of Hollywood, fashion, media and money all among the mourners. Stars from TV such as Barbara Walters, Geraldo Rivera, Diane Sawyer, Kathie Lee, Hoda Kotb and Andy Cohen. Mourners lined up outside the Fifth Avenue synagogue and waited for their names to be checked against a list before entering. The New York state health department is investigating the circumstances, and the New York City medical examiner said tests to determine the cause of death were inconclusive. In her book, Rivers joked that dying of natural causes was boring.