On the Scene: Rihanna, Jay-Z, N.E.R.D., Asher Roth, Nina Sky, Amerie

Girl about town Rihanna strapped on her armor-shouldered purse and shielded herself from prying fans and paparazzi while leaving her hotel in Manhattan on Wednesday (Sept. 9). She attended Jay-Z’s soundcheck earlier in the day.

Plus, Jay-Z mixes it up, N.E.R.D. and Asher Roth sail out, Nina Sky parties with the “Beautiful People” at S.O.B.’s, and Amerie enjoys a fashionable night out.