A Florida woman, Ivanna Lisette Ortiz, has pleaded not guilty to charges related to a March 8 shooting at Rihanna's Los Angeles home, which occurred while she was with the singer and her family. The charges stem from one count of attempted murder, 10 counts of assault with a semiautomatic firearm, two counts of shooting at an inhabited dwelling, and one of attempted vehicle. No one was injured in the incident. The suspect is being held in lieu of $1.5.