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+ 50 Cent finally decided to start tweeting and, man, did he go off, taking shots at Fat Joe, his own grandmother and flirting with Michelle Obama. (@50Cent)
+ John Mayer was so enraged by a critical Huffington Post article about his ex, Jennifer Aniston, that he... blogged about it! (Idolator)
+ After Courtney Love tweeted some passive-aggressive (mostly aggressive) birthday wishes to her daughter, Frances Bean, Frances herself responded, also over Twitter, "I hope you find your soul." Burn! (TheFabLife)
+ Ke$ha celebrated the end of her and Rihanna's "Last Girl On Earth Tour" in Chicago. (JustJared)
+ Beyonce and Jay-Z have taken their never-ending-vacation act from Italy to St. Tropez. (ThatGrapeJuice)