Zac Efron over the years: 21 sexiest stares (Photos)

Slideshow posted in Photos | Wednesday, September 18, 2013

7 of 21: Zac Efron attends the premiere of 'At Any Price' at the 2013 Tribeca Film Festival on April 19, 2013. ( Photo / Kristina Bumphrey / Startraksphoto.com)