#1 CRUSH

March 27, 2012 – Mariah Carey turns 42 today. Celebrate the way her beloved Jack Russell terriers would want you to — by reliving some of her most ear-drum-blasting notes, care/of a dedicated Lamb who assembled a montage: Play And, aw heck, for old times' sake: Play

March 26, 2012 – Pop fans have no shortage of reasons to try to love Justin Bieber's new single, "Boyfriend," which you can buy on iTunes here. First, we'll probably be hearing it a lot: With 18.9 million Twitter followers, Usher's 18-year-old Canadian protégé isn't going anywhere.

March 21, 2012 – There are two types of 21st-century Madonna videos — clips with elaborate staging that showcase her incredible dancing, and clips without elaborate staging that showcase her incredible dancing. "Girl Gone Wild," which premiered on E!, falls into the latter category.

March 19, 2012 – Beyoncé filmed her 4 premiere shows at New York City's Roseland Ballroom while pregnant with baby Blue Ivy Carter, and she'll be performing her first post-birth shows in neighboring New Jersey three months after providing us all with photos of her adorably emo-haired offspring.

March 19, 2012 – On the final night of Kanye West and Jay-Z's Watch the Throne tour, the rappers ran through their hit "Niggas in Paris" an unprecedented 11 times in a row, a stunt that should have closed the book on all future "Paris" performances. The song was literally played out. However, Katy Perry has decided that everyone should hear the song at least one more time.

March 16, 2012 – Videos of a teenaged Adele performing and hanging out with pals in 2004, her days at the BRIT School for Performing Arts and Technology, have surfaced online.