Munn puts on her game face during a New York City stroll. Plus: Benedict Cumberbatch, 50 Cent, Zac Efron & more!

A DRESS TO IMPRESS

How will she meet a man in this getup? A green-haired Katy Perry reaches new heights Tuesday as she sings before a packed-to-capacity crowd at Vancouver's Rogers Arena, the latest stop on her Prismatic world tour.