Neely O'Hara is a fictional character from the novel "Valley of the Dolls" by Jacqueline Susann. She is portrayed as a talented but troubled singer and actress who struggles with fame, addiction, and personal relationships. Neely's journey reflects the darker side of the entertainment industry during the 1960s. In the story, Neely rises to stardom but faces numerous challenges, including substance abuse and the pressures of public life. Her character serves as a cautionary tale about the consequences of fame and the impact of addiction on one's life and career.