Mac Miller

Today (Jan. 19), Mac Miller officially becomes a man. The Pittsburgh native is celebrating his 21st birthday in Las Vegas. Not only is he able to drink liquor without being carded, he can legally gamble, as well. Within the past few years, Miller (born Malcolm McCormick) has become the most widely recognized indie rapper from the Steel City. Him, along with fellow 'Burgh native Wiz Khalifa, have managed to put the city of Pittsburgh on the rap map.

In honor of the 'Donald Trump' rapper, we dug up some facts that you may not have known about him. So check out's 10 Things You Didn't Know About Mac Miller and celebrate the young man's accomplishments as a rapper and businessman.

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George Clinton is a Mac Miller fan.

The father of P-Funk George Clinton funks with Mac Miller. The sagely funkateer tweeted a funky Happy Birthday message to the Pittsburgh stoner. "Happy early #PFUNK bday + hope we can party [with you]," he wrote. Get the funk outta here!

Mac Miller still respects Lord Finesse despite the $10 million lawsuit.

In light of reaching a settlement with Lord Finesse -- Miller jacked his 'Hip 2 Da Game' beat for 'Kool Aid & Frozen Pizza' -- he says has no hard feelings toward the legendary producer. "I was really f---ed up about the whole thing for a while," Miller told The Well Versed before the settlement. "Then I [said], 'F--- it,' I have lawyers, they can handled that, I'm going to continue living and doing what I do and not let it stress me.""I hope [Finesse] still respects as an emcee because his work always meant a lot to me," he continues. "[Big L] is the reason why I picked up the pen in the first place and he put L on. So when we spoke and I talked to him about 'Kool Aid & Frozen Pizza' and I told him it was me paying homage to him, like, I know who you are and I know what this beat means [to him]. And he was cool with it and it meant a lot to him."

Mac Miller's older brother designed 'The Blue Slide Park' album cover art.

Inspired by an 8-year-old girl's drawing, Miller wanted to create a design that resembled the idea of a park with the blue streak running down the middle. He teamed up with his older brother, Miller McCormick, and sketched some images that would later be 'Blue Slide Park.' "He's always worked on art as long as I can remember," he told MTV News. "He draws all the time and he's getting into graphic design. If I can have my brother work on something for it, that's great."

He's working on a new album, 'Watch Movies With the Sound Off.'

Although it's been two years since the release of his album, the Pittsburgh stoner is hardly resting on his rap laurels. He's currently working on his follow-up to 'Blue Slide Park.' "The stuff that I’m working on now is a whole new ballpark, a whole new league of music," he tells Complex. "It’s very exciting for me and I’m very happy with the music I’m making and the stuff that I’m doing.""The album is basically very introspective and very personal so it’s kind of throwing it all out there and seeing what happens," he continues. "People have looked at me like, 'Hey here’s Mac Miller. It’s this rapper from Pittsburgh who got big because he made happy songs and had a good business plan,' and this and that. But this… [is] the year where I really show the world all that I do and maybe only part of what I’m capable of, but a lot more of into how much I do."

He's allergic to groupies.

Since his rise to fame, Miller has abstained from groupies and with good reason. He's in a committed relationship with his girlfriend of five years. "Well, since I'm currently in a relationship there will be no funny stuff," he told Jenesis magazine in 2010. "Groupie things are funny. Groupie girls are wild. I didn't think they could actually exist. I went to [perform in Cleveland] and girls were trying to force their selves upon me and I'm thinking, 'Damn, if I don't do something I'ma get raped. The girls will getcha, they'll getcha."

'Blue Slide Park' Slid to No. 1 on the Billboard 200 chart.

Mac Miller shocked the world when his debut album, 'Blue Slide Park,' premiered at No. 1 on the Billboard 200 chart in November 2011. The Pittsburgh rapper is only the second indie artist to top the 200 chart since Tha Dogg Pound in 1995 with 'Dogg Food.' Mac's album moved 149,000 copies in its first week of release. So far, the album has sold over 400,000 units in the U.S.

Mac Miller was a terrible weed seller.

One of the Mac-ster's many pre-fame jobs was being a weed dealer. However, he was terrible at it. Not only did he got high off his own supply, he would spend most of the profits on miscellaneous things. "I was a bad drug dealer, I wasn't really good at," he tells Montreality. "Because I would blow all my re-up money on studio time; having a job always meant taking time [away] from working on music. So I end up selling weed and stealing iPods and trading them for studio time. It wasn't good." Thank God he stuck with rapping.

He's a self-taught musician.

"I play a bunch of instruments, like piano, drums, guitar and bass," Mac tells fellow rapper Sean Price in a HipHopDX interview. "And the kazoo every now and then. I’m trying to learn how to play the trumpet and the saxophone. That’s what I’m learning how to play."

Mac Miller perfected his rapping and freestyle skills at the Shadow Lounge.

A 15-year-old Miller was a regular performer at the Shadow Lounge, a club that has become an institution in the local Pittsburgh rap scene. Although he wasn't old enough to drink, the Shadow Lounge is where Mac honed his freestyle skills during the Rhyme Calisthenics MC Competition. "I remember yelling at him for having a bottle of Hennessy in the green room," recallsJustin Strong, owner of the Shadow Lounge. "Although it's mostly 21 and over, we've given the younger cats a chance to get on stage and build a fan base and polish their craft. We're proud to have played a role.""His charisma has always been at a high level," adds Rhyme Calisthenics host Thelonious Stretch. "Because he was already a superstar before the world knew it. You can see it in the clip when he did Mirror Match. He’s comfortable with performing and freestyling, and you can hear that in his songs and see it in his videos." Sadly, the Shadow Lounge is temporarily shutting its doors in spring 2013.

Mac Miller sells out stadiums now.

Mac Miller, and his good friend Wiz Khalifa, are the first local artists to sell out an arena in their hometown of Pittsburgh since 1995. It happened on their Under the Influence of Music tour in August 2012. Congrats to the Pittsburgh boys!

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