Zac Efron Dines Out Outdoors in Chicago
Alex J. Berliner/abimages
07/29/2011 AT 06:00 AM EDT
Enjoying the summer weather, Zac Efron joined two friends for a three-hour meal on the patio at Chicago's Tavern on Rush. The actor kept a low profile, but indulged starstruck fans by signing autographs and posing for photos.