Even though pop star Justin Bieber is barely 18, he wants you to know – he’s a full blown grown up.  Like, really!

In fact, in a recent interview with GQ Magazine, the Canadian-born singer reveals that he has even experimented with adult beverages – in moderation…

For me, it’s just like, I like to be in control of myself… I mean, I’ve had a beer, like, before…But I never get out of control.

Someone better tell this Hooser that the drinking age in the U.S.of A is 21 and he might not want to go around broadcasting the fact that he’s participating in underaged drinking – especially when he’s a huge role model for millions of teens!

The Biebs also spoke out about the struggles of living life on the A-list…

I mean, I keep my guard up a lot, because you know, you can’t trust anyone in this business… That’s what’s sad. You can’t trust anybody. I learned the hard way.

Ouch, we’re gonna have to hear more about this one!  Pick up the June issue of GQ for more Justin, or check out the video below!

Carly Rae Jepsen hits the blue carpet at 102.7 KIIS FM’s Wango Tango held at The Home Depot Center on Saturday afternoon (May 12) in Carson, Calif.

The 26-year-old musician tweeted in excitement, “Met some new friends at the Wango Tango signing. Can’t wait to perform later!”

Carly Rae‘s “boss” Justin Bieber even came out to support and introduce the “Call Me Maybe” singer on stage.

“@carlyraejepsen @TavishCrowe great seeing u guys!! #wangotango – glad i didnt get killed on that entrance. proud of u,” Justin tweeted after the show.

FYI: Justin is wearing a Jacob & Co. Whistle Necklace.

25+ pics inside of Carly Rae and Justin…

On last night’s episode of Saturday Night Live, pop stars Justin Bieber, Justin Timberlake, Michael Bolton and Usher were on hand, along with SNL alum Will Ferrell, to help The Lonely Island ring in their 100th digital short.

The sketch, which featured Justin Timberlake resurrecting his “D*ck in a Box” character and Michael Bolton returning as “Captain Jack Sparrow”, paid a perfect homage to the genius of TLI creators Akiva Schaffer, Jorm Taccone and Andy Samberg.

And we certainly didn’t hate The Bieb making a brief appearance as the voice of reason!

Check out TLI’s 100th digital short below and let us know what you think!

Hip Pop music’s most dynamic mentor and mentee (and yes, we DID just make up the term “hip pop”, but doesn’t it fit these two just perfectly!?) Usher and Justin Bieber are the cover boys for this month’s issue Billboard Magazine and we’ve got to hand it to them – they totally deserve it.

As the cover art suggests, The Biebs and Usher are totally at the top of their game – The Bieb’s sophomore album “Believe” is set to drop next month and Usher, well, Usher is the one who has made Bieber Fever possible.

Despite his obvious hand in making Justin a household name, 33-year-old Usher took every opportunity during his interview with Billboard to gush about the incredible talent of his 18-year-old protege.

He’s always been a dope MC… ‘Boyfriend‘ was really the defining moment; it became No. 1 everywhere, which is what dreams are made of. Both of us are being modest about what our journeys have been in terms of songwriting: Justin really has participated in every writing session – that’s amazing… It’s easy to just dial something in, but if you make the music authentic, people feel connected to you as an artist from the beginning.

It’s nice to set major stars sharing the love!

Justin also raved about his relationship with his friend and producer,

[He's been] successful in everything that he’s done. He’s made some mistakes, too, but he’s learned from them, so he can tell me what to do and what not to do.

So, we’re guessing we won’t be seeing Justin’s boxer’s hanging out on stage any time soon…

Check out this month’s issue of Billboard on stands now!

Justin Bieber performs his hit song “Boyfriend” on the second season finale of The Voice on Tuesday (May 8).

This was the first time that the 18-year-old singer performed the song on live television!

Justin was the last artist to perform on the show, with only the results being saved for after his performance. In case you missed it, make sure to find out who was crowned the winner!

“BIG DAY TODAY. Performing #BOYFRIEND for the first time Live on the FINALE of @NBCTheVoice,” Justin tweeted earlier in the day.

10+ pictures inside of Justin Bieber performing on The Voice…