Antonella Alonso, better known by her stage name LaSirena69, is a Venezuelan-Italian pornographic actress born on June 9, 1990, in Baruta, Miranda, Venezuela. She began her career in the adult film industry around 2019 after relocating to the United States, first settling in Miami to improve her English and later moving to Los Angeles. Prior to entering pornography, she studied social communication at Saint Mary University before switching to advertising at the New Careers Institute. Standing at 5 feet 2 inches tall, Alonso quickly gained recognition for her curvaceous figure and charismatic presence. Her achievements include being named Penthouse Pet of the Month in February 2021, Playboy All-Star in April 2022, and Twistys Treat of the Month in January 2023. With Italian heritage adding to her appeal, she has built a massive online following exceeding three million across platforms through savvy marketing and bold content. She is the niece of renowned actress María Conchita Alonso and continues to influence the industry with her empowering approach to sensuality and self-expression.