Photo: Courtesy of Beats 1 on Apple Music

Mac Millermay have died unexpectedly, but the young rapper had planned ahead and created a will.
The outlet also reports that his brother, Miller McCormick is additionally listed as administrator and trustee on the will just in case their parents were not around when it came into force.
The “Knock Knock” rapper did not list how much his estate was worth in his will.
Courtesy of Beats 1 on Apple Music

Though no official amount of money has been confirmed, it was estimated that Miller had anet worth of around $9 millionat the time of his death.
Miller, whose real name was Malcolm McCormick, waspronounced deadat 11:51 a.m. at his Studio City, California, home on Sept. 7, the Los Angeles County Department of Medical Examiner-Coroner confirmed in a statement to PEOPLE.
Three days after Miller was found dead, anautopsy was performed on the rapper.A cause of death isyet to be determined, but a source previously told PEOPLE the rapper had gone into cardiac arrest after appearing tosuffer a drug overdose.
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On Thursday, a source told PEOPLE that Miller wasdeceased when authorities arrivedand couldn’t be revived.
Paramedics never transported Miller to a hospital, PEOPLE confirms.
Since his passing, many people in the Hollywood community have mourned the tragic loss and shared memories of the rapper, includingCharlie Puth,Cardi B, and ex-girlfriendAriana Grande.
The 25-year-old pop starfirst broke her silenceregarding her former lover on Saturday, posting a black-and-white Instagram photo of Miller.
Kevin Mazur/One Love Manchester/Getty Images

On Friday afternoon, she paidtribute to her ex-boyfriend in an emotional post, calling him her “dearest friend” and apologized for not being able to help Miller with his mental health struggles.
“i adored you from the day i met you when i was nineteen and i always will,” she wrote on Instagram, alongside a throwback black-and-white video of thepair laughing together.
RELATED ARTICLE:Ariana Grande’s Brother ‘Heartbroken’ Over Mac Miller’s Death: He Was ‘Wonderful to My Sister’
“i can’t believe you aren’t here anymore. I really can’t wrap my head around it,” she continued. “We talked about this. so many times. i’m so mad, i’m so sad i don’t know what to do. you were my dearest friend. for so long. above anything else.”
Added Grande: “i’m so sorry i couldn’t fix or take your pain away. i really wanted to. the kindest, sweetest soul with demons he never deserved. i hope you’re okay now. Rest.”
If you or someone you know is in need of help, please contact theSAMHSA substance abuse helplineat 1-800-662-HELP.
source: people.com