The Rockstar musician, who was spotted for the first time since writing off his $323k Rolls Royce in a auto crash, joined an array of A-list stars in sharing their condolences on Twitter, as artists Chance the Rapper, Kehlani and J Cole also posted touching messages on Mac's passing.
"He was a bright light in this world for his family, friends, and fans", his family wrote in a statement obtained by CNN through Miller's publicist.
The Los Angeles Police Department told CNN that officers responded to a call for a death investigation at the 11600 block of Valleycrest Road just before noon local time.
A van from the coroner's office was also parked outside before driving away with the musician's body. The 26-year-old rapper was also a record producer under the pseudonym Larry Fisherman.
It was released in November 2011 and debuted at number one on the US Billboard 200 chart, becoming the first independently-distributed album to top the charts since Tha Dogg Pound's Dogg Food in 1995.
Tropical Storm Florence continues to churn toward United States coast
East Coast this weekend, resulting in life-threatening surf and rip currents", a message from the National Weather Service read. "Regardless of Florence's eventual track, large swells will begin to affect Bermuda later today and portions of the U.S.
"Mac Miller was an exceptionally gifted young artist".
Miller performed with Grande at a memorial concert following the 2017 Manchester Arena bombing and the pair released music together before their split earlier this year. The two dated for two years and Ariana mentioned his substance abuse was a real deal breaker for their relationship. Grande and Miller ended their relationship in May. Ariana is now engaged to actor and comedian Pete Davidson.
"At one point weed didn't relax me from everything, it made me more paranoid about all the s**t happening", Miller said. "I will continue to pray from the bottom of my heart that he figures it all out and that any other woman in this position does as well (sic)". He often alluded to his battles with addiction over the years.
"What you don't understand is that I lived a certain life for 10 years and faced nearly no real outcome at all", he said in mid-July. Just last month, the Los Angeles Attorney's Office officially charged the rapper with driving under the influence (DUI), stemming from a vehicle accident in May in the San Fernando Valley.