Jack White is among the confirmed acts for Lollapalooza 2012 in Chicago.

+ Lollapalooza 2012's awesome lineup was revealed last night. Jack White, The Black Keys, Black Sabbath, Red Hot Chili Peppers, Florence + The Machine, The Shins, Santigold, Alabama Shakes, Sigur Rós,  Metric, J. Cole, The Afghan Whigs, and many more will play Chicago's Grant Park Aug 3-5. (MTV News)

+ Carly Rae Jepsen says she and her boss, Justin Bieber, are having some friendly competition on the charts. Biebs "Boyfriend" is No. 2 on iTunes, while Jepsen's "Call Me Maybe" is No. 1. Says Jepsen, "I wouldn't be here without his support and his help, and he is so great about it. He's just happy for me, which is nice to see." (MTV News)

+ Check out the trippy cover for Maroon 5's forthcoming album, Overexposed. The 10-song set will be released on June 26. (E!)

+ Peep Miley Cyrus' "LOL" film trailer -- fun high school romantic comedy alert! The film premieres on May 4. (Just Jared)

+ Watch a preview from Patrick Stump's forthcoming appearance on "House." The role isn't too far-flung, he plays a guy who's in a band. The show will air on Apr. 16. (Idolator)

+ Wanna hang out with Joe Jonas or Demi Lovato for the day? Enter a contest where you upload a video outlining what you'd like to achieve one day and you might have the chance to have one of them mentor you. (Just Jared Jr.)

+ Jessie J performed her single "Domino" on last night's "The Voice" Live Results episode. Watch her and Team Christina Aguilera's set. (Neon Limelight)

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