POTW: Kevin Jonas, Jay-Z, Lady Gaga, Rihanna
Kevin Jonas pitched at the baseball game, Jay-Z embraced Michael Jordan, Lady Gaga crowd-surfed, Rihanna showed off her new tattoo, Ke$ha got comfy on the "Today" show, Katy Perry emulated "Ugly Betty," Ciara and Justin Bieber got cozy, Rick Ross, Fabolous and Jay posed for the paps, Bono got snuggly, M.I.A. dropped it low and Usher and Ci-Ci shared a hug with President Bill Clinton. It all happened ths week and we've got the pics to prove it.
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