The cause of Aaron Carter’s death was not made immediately available. The Los Angeles County Sheriff’s Department responded to the singer’s home in Lancaster, California, on Saturday and an investigation is currently underway.

Aaron Carter's older sister Leslie Carter died from a reported in 2012. Several years later, Nick Carter and Angel Conrad, the singer’s twin sister, reportedly against their brother in 2019, saying that Aaron allegedly confessed to thinking about “intentions of killing” Nick Carter’s pregnant wife. Aaron Carter .

Over the weekend, Angel Conrad also shared a tribute on social media to her late twin brother.

Aaron Carter and his fiancee, Melanie Martin, welcomed their first son, , in November 2021. In September, the singer, who has been open about his mental health issues and reported struggles with substance abuse, told that he had checked into a month-long rehabilitation outpatient program after losing custody of his son.

Aaron Carter shot to fame at the age of nine following the release of his self-titled album in 1997 and quickly established himself as a star among pre-teen and teenage audiences into the early 2000s.

PHOTO: Nick Carter and Aaron Carter attend Howie Dorough's Birthday Party in Hollywood, Calif., Aug. 16, 2006.
WireImage/Getty Images, FILE
Nick Carter and Aaron Carter attend Howie Dorough's Birthday Party in Hollywood, Calif., Aug. 16, 2006.

His second album, “Aaron’s Party (Come Get It,” sold over 3 million copies, making it his most successful album to date and included the hit-cover, “I Want Candy.”

Aaron Carter also found popularity while touring with the Backstreet Boys, of which his older brother, Nick Carter, is a member. The Backstreet Boys dominated the pop scene during the late 90s to the early 2000s. To date, the group remains the best-selling boy band of all time, selling over 100 million records worldwide.