Justin Bieber sings 'Call Me Maybe' and more!
2.) Justin Bieber admits he's still addicted to Carly Rae Jepsen's "Call Me Maybe" during a recent fan Q&A and even sings the tune along with the fans! Anyone else impressed that nobody in that audience actually screamed out a phone number for Justin to call? (Idolator)
3.) This has been the best month EVER for Austin Mahone! First, the YouTube-sensation-turned-hearthrob meets Justin Bieber, then he's treated to throngs of screaming fans in Times Square! (No word on whether New Yorkers got their hearing back yet.) (MTV News)
4.) LL Cool J turned computer geek when he created a software program for music recording and producing. We're kinda wondering if a line of rapper-friendly pocket protectors is also in the works. J/K! (Vibe)
Check out the rest of this week's 10 Things To Know Now after the jump!
6.) Lady Gaga not only revealed her sexy undergarments while in Melbourne, but she also unveiled a brand-new track, "Princess Die," during her concert in the Australian city. Now that's a G'day! (Sorry, guys). (MTV Newsroom)
9.) We're flipping about Selena Gomez's possible collabos with fun. and Taylor Swift on her next album, but don't expect BF Justin Bieber to take part. We don't blame her -- a girl just needs her "me" time! (MTV News)
10.) We've been swooning uncontrollably while listening to Mika's newest hits, "Make You Happy" and "Celebrate." But we're basically a heap of joy-tears after listening to him discuss his forthcoming LP, The Origin of Love! (Arjan Writes)
Photo credit: Getty Images and Picture Group