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+ On a whirlwind promotional tour for his new album, Last Train To Paris, Diddy still found time to hit the studio yesterday, and he found some room in the studio for one Justin Bieber. (MTV News)
+ "American Idol" hopefuls have been holed up in Las Vegas, working on Beatles songs with super producers like Alex Da Kid (Eminem, B.o.B.), Tricky Stewart (Rihanna) and Rodney "Darkchild" Jerkins (Lady Gaga). (EW)
+ Find out all about how Taylor Swift celebrated her 21st birthday. (TheFABlife)
+ Katy Perry's tour costumes will be designed by Victoria's Secret designer Todd Thomas. (Just Jared)
+ And, finally, watch Usher get kicked in the face while performing in concert. (That Grape Juice)