[Photos by DAVID CROTTY for PMc]
A very sexy Katy Perry helped ring in the New Years with friends at Gridlock New Year's Eve at Paramount Studios in L.A.
WHAT'S COOL: Along with guests Jesse McCartney, Dave Annabelle, Jesse Metcalfe, members from Maroon 5 and Linkin Park, the party will re-create Times Square, but instead of the ball drop it will be a Hollywood star risin.
