Plus pics from Kim Kardashain, Tyrese and Oprah.
Rocsi, Chilli and more hot celebs fight against animal cruelty.
Keke Palmer, Mario and Chris Tucker also celebrate this week.
Plus pics from Rihanna, Nas, Rita Ora and Wiz Khalifa.
The R&B singer turns 27 this week.
(Photo: Andrew H. Walker/Getty Images)
We could point to how 50 Cent, Pharrell and Mario have all flipped this 1989 song in one way or another, but really, it speaks for itself. It's the epitome of a hip hop hit: a blend of comedy, yearning, lyrical skill, boom bap and a memorable, mel...