Acting
Birthday: 1999-11-26
Place of Birth: Thousand Oaks, California, USA
Also Known As: Olivia Gail O'Brien
Olivia Gail O'Brien is an American singer and songwriter. She rose to fame in 2016 after collaborating with Gnash on the single "I Hate U, I Love U", which peaked at number 10 on the Billboard Hot 100 chart in the United States and number one in Australia.
