He was born in Lemon Grove, California, and raised in Georgetown, Texas where he began uploading vlogs, covers, and original songs to YouTube as a teenager.

Bolstered by the commercially successful songs "Maniac" and "Heather", his studio album Kid Krow (2020) debuted at number five on the U.S.

His second studio album, Superache (2022), received critical acclaim and debuted in the top 10 in the U.S., the United Kingdom, Australia, Ireland, and the Netherlands.

Conan Lee Gray[3][4] was born on December 5, 1998, in Lemon Grove, California,[5] to an Irish father and a Japanese mother.

[6] As an infant, he moved with his family to Hiroshima, Japan, because his grandfather needed medical care after being diagnosed with cancer.

[20] In November 2018, he released the five-track EP Sunset Season, which includes the songs "Idle Town", "Generation Why", "Crush Culture", "Greek God", and "Lookalike".

[21] Gray made his late-night television debut on Late Night with Seth Meyers on the eve of February 2019,[22][23] before performing several shows as an opening act on Panic!

[25] In February 2019, Gray re-released the single "The Other Side"[26] after originally publishing it on YouTube in 2016 on the eve of the first day of his senior year of high school.

[33] On January 9, 2020, he revealed the title, Kid Krow, and wrote, "I say more on this album than I've ever said in my life, and I can't wait to tell you all of my secrets.

[36] During early 2020, Gray's single "Maniac" became successful on international mainstream pop radio,[37][38][39][40][41] specifically in Australia,[42][43] where it was certified platinum.

[54][55] Following the commercial success of Kid Krow, Apple Music named Gray as an Up Next artist and released an exclusive mini-documentary about him in April 2020.

[57] In August 2020, the song "Heather" became popular on the social media platform TikTok, consequently becoming Kid Krow's sixth and final single.

[58] It made Gray his first entry on the Billboard Hot 100 in his career, and further charted in the top 40 of countries such as the United Kingdom,[59] Australia,[60] New Zealand,[61] and Ireland.

[7] In April 2022, he appeared as a surprise guest on Olivia Rodrigo's Sour Tour in Vancouver and they did a cover of the Katy Perry song, "The One That Got Away".

[76] On July 18, 2022, Gray sang the national anthem at the 2022 Major League Baseball Home Run Derby.

[84] According to Ken Patridge of Genius, the first four singles off the album have featured an upbeat 80's vibe, while "Alley Rose" is a soaring piano-rock ballad that harks back to '70s-era Elton John.

[86] On October 18, 2024, Gray released the single "Holidays" after first playing the song during the Found Heaven tour at Madison Square Garden.

"[96] In an interview with Zane Lowe, for Apple Music, Gray stated that Swift is his "number one above all", and continued that "she's just my songwriting icon, and I'll never understand how she does what she does.

[97] Gray acknowledged Lorde as one of his other primary influences,[98][99][100] and has explained that his EP Sunset Season was majorly inspired by the small-town nostalgia of her debut album Pure Heroine.

[16] He has also cited The Chicks and Adele as some of his musical influences,[101] as well as expressing a mutual[102] admiration for V of BTS,[103] and Billie Eilish.

[104] Talking about Eilish's rapid rise to fame in 2019, Gray told ET: "Billie and I have been friends since, like, literally forever, since she was, like, 15.

[107] Gray partners with and models for agencies and brands such as Puma,[108] W magazine,[109] Yves Saint Laurent,[110] Vogue,[111] Elle Men China, and Burberry.