Olivia O'Brien
Nov 26, 1999 (24 years old) in Thousand Oaks, California, USA
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.
