-Miley Cyrus hit the studio, or "lab," with Tyler, the Creator. [Twitter]

-Justin Bieber will honor charitable teens for the fourth annual TeenNick HALO Awards. [EW]

-Pink and Pitbull will perform at the 40th Anniversary American Music Awards. [Via Press Release]

-Alicia Keys' Black Ball charity event has been postponed due to Hurricane Sandy. [MTV]

-Madonna appeared on 'Ellen' and sized up her fellow pop stars, like Lady Gaga. [Hollywire]

-Doe-eyed, platinum blonde waif Sky Ferreira sulks around in her 'Sad Dream' video. [YouTube]

-'The Voice' Season 4 will premiere in late March. [Rickey]

-There are two more tribute episodes of 'Glee' in the works. [Hypable]

-Lucky Magazine apologized (sort of) for its "wiggy" Britney Spears cover. [Amy Grindhouse]

-New mommy Jessica Simpson dropped 60 lbs. in five months. Find out how she did that! [PopBytes]