Garrett Charles Nash (born June 16, 1993) better known by his stage name gnash, is an American singer, songwriter, rapper, DJ and record producer. He released his debut extended play (EP), u, in March 2015 on SoundCloud and followed up with the me EP in December 2015. His third EP, titled us, was released in March 2016 and includes the single, "i hate u, i love u", featuring Olivia O'Brien, which peaked at number 10 on the Billboard Hot 100 and reached number one in Australia.
Olivia O'Brien (born November 26, 1999) is an American singer and songwriter based in Los Angeles. She is best known for her collaboration with gnash on the Billboard Hot 100 top 10 song, "i hate u, i love u". She has since released her debut extended play It's Not That Deep.