Famous Dex

In 2015, he self-released his first mixtape, Never Seen It Coming.[8] Later in 2015, he released his second mixtape Dexter's Laboratory.[9]

In early 2016, Gore released his third and fourth mixtapes, Drippy[10] and #OhhMannGoddDamn.[11][12]

In March 2016, Gore announced that he was officially signed to Rich the Kid's label, Rich Forever Music.[13][14] Shortly thereafter, Gore and Rich released their collaborative effort, Rich Forever.[15] This was followed by three sequels, with the third exclusively featuring Rich Forever newcomer New York rapper Jay Critch. In October 2016, Gore was featured in the Soulja Boy music video, "Draco".[16]

In March 2017, Gore announced the title of his debut album, Dex Meets Dexter. The album was released on April 6, 2018.[17]

In October 2017, he released "Pick It Up" featuring ASAP Rocky as the first single from the album, which peaked at number 54 on the Billboard Hot 100, becoming his first song to chart.[18] The album's second single "Japan" was released on March 16, 2018.[19] On March 30, 2018, he released the single "Light" featuring Drax Project.[20]

The single "Nervous" which features Lil Baby, Jay Critch, and Rich The Kid was released on September 21, 2018.[21]

On May 8, 2019, the single "Fully Loaded" was released which featured Lil Gotit.[22] A music video was released later on May 27, 2019.[23] Gore appeared on the Rich Forever Music compilation album, Rich Forever 4, which was released on August 2, 2019 and featured new artists signed to the label.[24]

On November 1, 2019, Gore suffered a epileptic seizure during a performance at 1 OAK in West Hollywood, California. A representative later confirmed he was recovering.[25]

On December 31, 2019, Gore released the EP, Dexter 2031, on Soundcloud.[26] The single "What I Like" which features Tyga and Rich the Kid was released on April 3, 2020.[27][28] On July 23, he released the single "Couped Out" with Fivio Foreign.[29] In August 2020, he released the single "Hold On".[30] On October 9, he released the album Diana.[31] On December 31, 2019, Gore released the EP, Dexter 2031, on Soundcloud.[32] The single "What I Like" which features Tyga and Rich the Kid was released on April 3, 2020.[33][34] On July 23, he released the single "Couped Out" with Fivio Foreign.[35] In August 2020, he released the single "Hold On".[36] On October 9, he released the album Diana.[37]

Rich the Kid announced in January 2021 that Gore was in a rehabilitation clinic.[38]

In 2018, prior to the University of California, Irvine's Shocktoberfest music event, the university's Student Services was criticized for allowing Gore to perform at the event after a security video from two years prior emerged showing Gore chasing his girlfriend down a hallway and then hitting her several times.[39] Gore was permitted to perform despite the domestic abuse revelations, and while doing so jumped into the crowded audience causing safety barriers to be knocked over by a rush of audience members. The event was shut down as a result. While leaving the event, it was alleged someone in Gore's vehicle pointed a gun at students. According to the university's official campus newspaper, "Gore bragged online about shutting down the event saying, 'I just shut the show down. And it was all positive vibes.'"[40]

On December 22, 2018, Gore uploaded a video post to his Instagram page in which he made racially charged jokes at the expense of an elderly Indian American Hindu cashier at a gas station he was frequenting with a friend.[41] During the video, he remarks "Witcho' lil", referring to the man's tilaka on his forehead. He then adds "That's a mark of Buddha in between yo' face?", laughing along with his friend.[42]