Most Beautiful 2013
25 Beauties (and Hotties) at 25
From Amanda Seyfried to Armie Hammer, check out Hollywood's hottest crop of stars turning 25 this year
Credit: Thomas Whiteside/Contour by Getty
Updated: Thursday Apr 07, 2011 | 10:00 AM EDT By: Nisha Gopalan and Kiran Hefa
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PENN BADGLEY
The actor literally flexed his muscles on the big screen in 2009's The Stepfather, but it's his signature quick-wit that makes the Gossip Girl stud stand out. "He has a humble, comedic air that is disarming and looks effortless – in life, at work, and in public," costar and current onscreen love interest Leighton Meester told InStyle.

