Olivia Somerlyn Christensen, professionally known as Olivia Somerlyn and more recently LIVVIA, is a singer-songwriter from San Francisco. She started writing songs at the age of 13.

During her high school years, she traveled to Los Angeles on weekends in order to meet with people from the music industry and work on her songwriting and recording. During one of her weekend trips to LA, she happened to meet the Jonas Brothers. Somerlyn became friends with the Jonas Brothers, with their father Paul Kevin Jonas Sr Paul Kevin Jonas Sr. eventually becoming her manager.

After releasing a self-titled EP in 2010, she gained more mainstream attention by releasing the single “Parachute” written with Nick Jonas, with a music video. She released the single “OXO” in 2015 and the single “Only” in 2016, featuring the Australian DJ tyDi. Her first single as LIVVIA is Catch A Body, released on the January 19, 2018.