The rapper, whose music had documented struggles with substance abuse and depression, was found unresponsive at his home in Los Angeles on Friday morning after a reported overdose.
According to TMZ, Davidson and Grande officially began dating immediately following Ariana's split from Miller.
Several months ago, Miller wrecked his vehicle, and he was also arrested for a DUI and hit and run. The pair were first romantically linked shortly after Grande and Miller's breakup went public earlier this summer. Mac fled the scene after crashing the auto but later confessed to law enforcement.
Body of second person killed in Colorado River collision found
The sheriff's office said it would continue to patrol the river " until all the unaccounted for passengers are located ". None of the boaters were wearing life jackets, which aren't required but are recommended by authorities, Shuster said.
Thursday night Mac posted a video of a record player and the song playing was from one of his albums. I want to be able to have good days and bad days ...
The 26-year-old tragically spoke of going on tour and how he wanted time to speed up in a series of tweets.
Scroll down to see other notable social media responses to Miller's tragic and untimely death.
In May, shortly after their breakup, Miller crashed his vehicle and was charged with driving under the influence. He later confessed to the charges, telling Beats 1 host Zane Lowe, "I made a stupid mistake ..."
Wrote Chance the Rapper: "I don't know what to say Mac Miller took me on my second tour ever". There's been a lot of talk about me being on drugs and look at me - do I look like I'm on drugs to you?
Japan: Two killed after 6.7-magnitude natural disaster hits Hokkaido island, triggers landslides
The disaster killed some 19,000 people , as well as knocked out power to and swamped backup generators at the Fukushima facility. The utility explained that a coal-fired thermal plant in Atsuma, the largest in Hokkaido, was heavily damaged in the quake .
Miller's family in a statement confirmed the death and called him "a bright light in this world for his family, friends and fans".
ET confirms that an adult male died at Miller's home on Friday, though officials would not confirm the identity.
If it is an emergency or you, or someone you know, is at risk call 111.
And he told Complex in 2013 that negative reviews of his 2011 studio album "Blue Slide Park" - which debuted at the top of the Billboard 200 chart - caused him to become addicted to the antihistamine promethazine, also known as "lean". "I have cared for him and tried to support his sobriety and prayed for his balance for years (and always will, of course)".
Captain Marvel looks great in new images, but there’s no trailer yet
They'll join Carol Danvers, the military pilot who wages a crucial battle within - between her human and superpowered Kree traits. You can find the full Captain Marvel feature over at EW, who will be releasing more exclusive content as the week goes on.