Prior to adopting the Saint Jhn stage name, he performed and wrote using his birth name, Carlos St. John (or Carlos Saint John). In 2010, he released an EP,
The St. John Portfolio, and a mixtape,
In Association, under his birth name. Soon after, he was flown to
Los Angeles,
California, by music executive Zach Katz. For 2 months, he wrote songs for
Rihanna, but none of his records were accepted. After returning home, Saint Jhn co-wrote the
Hoodie Allen song, "No Interruption". In the following years, Saint Jhn wrote songs for
Kiesza,
Gorgon City, and
Nico & Vinz, among others. In 2016, he earned a writer credit for the
Usher songs, "
Crash" and "
Rivals", both of which appeared on the album
Hard II Love. He followed that with two more songs in 2016, "
Roses" and "Reflex". In October 2016, it was announced that Saint Jhn would open for
Post Malone during a run of shows on the
West Coast. In February 2017,
Jidenna's album,
The Chief, was released featuring the song, "Helicopters / Beware", which Saint Jhn co-wrote. In October of that year, he played at two festivals,
Rolling Loud and the
Voodoo Experience. He also released another new song, "Hermes Freestyle". In February 2018, Saint Jhn released "I Heard You Got Too Litt Last Night". In early March, he released the song, "Albino Blue", and on March 30, 2018, his debut album was released. At that time, the already-released songs on the album had accrued 50 million total streams on various platforms. In addition to working on music and a tour in support of
Collection One, Saint Jhn was hired by
Gucci as a model for its "Guilty" campaign alongside
Adesuwa Aighewi. In 2019 Saint Jhn was involved into
Beyoncé's record project
The Lion King: The Gift, being featured with Nigerian singer
Wizkid and
Blue Ivy Carter on the track "
Brown Skin Girl". The song and accomplished visual was critical acclaimed, winning a
BET Awards, two
NAACP Image Awards and a
Soul Train Music Awards. The music video also won the
Grammy Award for Best Music Video, award in which the singer is not listed in the credits of the nomination. In April 2020, Saint Jhn's single "Roses" hit number one on the
ARIA Charts as well as the
UK Singles Chart, surged by the release of the
Imanbek remix. The song later received two other remixes, with
Future and
J Balvin, respectively. In early October 2020, Saint Jhn was among the acts who performed live for the
2020 Billboard Music Awards, following the success of "Roses". In December 2022, Saint Jhn and
London on Da Track released "Stadiums" as the first single for their upcoming
collaborative album. In February 2025, Saint JHN released his fourth album,
Festival Season , which was part one of his upcoming project
Collection 2. Collection 2 is FESTIVAL SEASON and (upcoming) Fake Tears From A Popstar, confirmed by Saint JHN in an interview with Angela Yee. Saint JHN also said the singles “Humble” and “Circles” will be featured on Fake Tears From A Popstar. He confirmed this in a tweet. == Discography ==