Levi Schoen was an androgyne Alderaanian holovid star who lived during the waning years of the Galactic Republic. She played a popular character named "Queen Jesrella" and while filming Jesrella's coronation, Schoen was murdered by the assassin Melo Centris, who stabbed her in the back with a knife.
Sources
Profile of an Assassin on Wizards.com (original site is defunct) (First mentioned)