IDK

Jason Aaron Mills (born May 24, 1992), known professionally as IDK (stylized as .idk.), also known as Jay IDK (a backronym for Ignorantly Delivering Knowledge), is a British-American rapper, singer, songwriter and record producer.

Early life Jason Aaron Mills was born on May 24, 1992, in London to parents of Sierra Leonean and Ghanaian descent. He was raised in Prince George's County, Maryland, where he later started to make music initially under the moniker "Jay IDK". The name stands for Suburban Trap or "trap music with substance". The album features the singles "The Plug," "God Said Trap (King Trappy III)", and "Cookie Addiction" featuring BJ the Chicago Kid. It features production from Skhye Hutch, was mixed by Lo Mein, Tim Webberson, Matt Weiss, and Delbert Bowers. Mills' style of rapping has been compared to the early work of Kendrick Lamar, especially Lamar's 2011 album Section.80.

On June 24, 2016, Mills was announced as one of the performers at the 2016 Trillectro Music Festival. On September 9, 2016, Mills released his third mixtape Empty Bank and premiered it on Forbes. Mills opened for Isaiah Rashad on his "The Lil Sunny" tour which started in January 2017.

On October 13, 2017, Mills released his fourth mixtape IWasVeryBad, which was released for free in collaboration with Adult Swim. Mills later released the first six songs of the album as a series on Noisey. This series gave the album visuals, and a new story. The first six songs were part of the first season, with the second season going unreleased, which assumingly would've included the last six songs.

On November 9, 2018, Mills released his first EP IDK & Friends :).

On September 4, 2019, Mills released his debut studio album, Is He Real, including features from Pusha T, DMX, JID, Tyler, the Creator, Burna Boy, and GLC.

On June 26, 2020, Mills released his second EP IDK & Friends 2, which was used as the soundtrack for Kevin Durant's Basketball County documentary.

On July 9, 2021, Mills released his second studio album, USee4Yourself, including features from Young Thug, Offset, Westside Gunn, MF Doom, Jay Electronica, Lucky Daye, SiR, T-Pain, The Neptunes, Swae Lee, Rico Nasty, Slick Rick, Sevyn Streeter, and more.

On April 29, 2022, Mills opened for Zedd at Washington University in St. Louis as part of WILD.

On May 1, 2022, Mills performed at Swarthmore College as part of Worthstock.

On May 6, 2022, Mills released his third studio album, Simple., which included features from Denzel Curry and Mike Dimes, and was executively produced by Kaytranada.

On May 5, 2023, Mills released his fourth studio album, F65, including features from Fat Trel, NLE Choppa, Jucee Froot, Saucy Santana, Tay Iwar, Musiq Soulchild, Rich The Kid, Snoop Dogg and Benny the Butcher.

On January 23, 2026, he released his fifth mixtape, E.T.D.S. under Rhymesayers Entertainment, which received critical acclaim. Mills live performed a medley of the tracks "P.O" and "C.O.P", along with Black Thought and Kaytranada, at The Tonight Show Starring Jimmy Fallon on March 5. A music video for "C.O.P", directed by Eric André, was released on April 7, 2026.

Discography Studio albums + List of studio albums, with selected details Title Album details Peak chart positions US Is He Real Released: September 4, 2019 Label: Warner, Clue Format: Digital download, streaming, vinyl, CD — USee4Yourself Released: July 9, 2021 Label: Warner, Clue Format: Digital download, streaming, vinyl, CD 164 Simple. Released: May 6, 2022 Label: Warner, Clue Format: Digital download, streaming, vinyl, CD— F65 Released: May 5, 2023 Label: Warner, Clue Format: Digital download, streaming— Bravado + Intimo Released: November 1, 2024 Label: Clue Format: Digital download, streaming, vinyl, CD—

EPs + List of mixtapes, with selected details Title Album details IDK & Friends :) Released: November 9, 2018 Label: Self-released (HXLY TRiBE) Format: Digital download, streamingIDK & Friends 2 (Basketball County soundtrack) Released: June 26, 2020 Label: Warner, Clue Format: Digital download, streaming

Mixtapes + List of mixtapes, with selected details Title Album detailsSex, Drugs & Homework Released: May 25, 2014 Label: Self-released (HXLY TRiBE) Format: Digital download, streamingSubTrap Released: August 25, 2015 Label: Self-released (HXLY TRiBE) Format: Digital download, streamingEmpty Bank Released: September 9, 2016 Label: Self-released (HXLY TRiBE) Format: Digital download, streamingIWasVeryBad Released: October 13, 2017 Label: Self-released (HXLY TRiBE) Format: CD, digital download, streamingE.T.D.S. Released: January 23, 2026 Label: Broke, Rhymesayers, IDK Format: Digital download, streaming, vinyl, CD

Singles +Lists of singles, with selected details Title Single details "Blame My Friends (The Gang)" Released: February 7, 2017 Label: Clue Format: Digital download, streaming "OMW" Released: April 27, 2017 Label: Self-released (HXLY TRiBE) Format: Digital download, streaming "No Wave" (featuring Denzel Curry) Released: February 16, 2018 Label: Self-released (HXLY TRiBE) Format: Digital download, streaming "Lil Arrogant" (featuring Joey Badass and Russ) Released: March 30, 2018 Label: Self-released (HXLY TRiBE) Format: Digital download, streaming "Star" Released: May 25, 2018 Label: Self-released (HXLY TRiBE) Format: Digital download, streaming "Trippie Redd's Freestyle" Released: June 28, 2018 Label: Self-released (HXLY TRiBE) Format: Digital download, streaming "Electric" (featuring Q Da Fool) Released: September 27, 2018 Label: Clue Format: Digital download, streaming "Trigger Happy" Released: March 6, 2019 Label: Clue Format: Digital download, streaming "In My White Tee" Released: April 10, 2020 Label: Warner, Clue Format: Digital download, streaming "Coal" Released: November 26, 2021 Label: Warner, Clue Format: Digital download, streaming Released as an Apple Music exclusive for Carols Covered 2021. Mills later rereleased the song on other platforms on December 1, 2022. "W13" Released: August 26, 2022 Label: Warner, Clue Format: Digital download, streaming "Monsieur Dior" Released: October 28, 2022 Label: Warner, Clue Format: Digital download, streaming "Denim" (featuring Joey Badass) Released: March 28, 2024 Label: Warner, Clue Format: Digital download, streaming "Tiffany" (featuring Gunna) Released: June 21, 2024 Label: Warner, Clue Format: Digital download, streaming "Clover" (featuring Joey Valence & Brae) Released: May 21, 2025 Label: JVB Entertainment, RCA Format: Digital download, streaming "Start To Finish - S.T.F." (featuring DMX) Released: October 15, 2025 Label: Broke Format: Digital download, streaming "LiFE 4 A LiFE" (featuring Pusha T) Released: January 9, 2026 Label: Self-released (.idk.) Format: Digital download, streaming

Guest appearances