Zac gives fan a squeeze

Zac Efron puts the squeeze on one female fan's backside while out partying in Vancouver, Canada .

The 22-year-old actor was celebrating the completion of his new movie, The Death & Life of Charlie St Cloud, by attending the wrap party at Watermark Restaurant on Kits Beach. Zac wore a t-shirt with an image of what looks like British supermodel Kate Moss and the word "heartbreaker."