How tall is Olivia O'Brien?
On this page you will find out the exact height of celebrity Olivia O'Brien.
Olivia Gail O'Brien (born November, 1999)(age 20 years) is an American artist lyricist. She rose to popularity in 2016 in the wake of working together with Gnash on the single "I Hate U, I Love U", which crested at number 10 on the Billboard Hot 100 diagram in the United States and number one in Australia, bringing about a chronicle contract with Island Records.
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