Gyllenhaal suits up for End of Watch's L.A. premiere. Plus: Reese Witherspoon, Amanda Seyfried, Alicia Silverstone and more

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SET DRESSING

Did she take a break to get the gossip on Blake Lively's wedding? A dressed-down Leighton Meester returns to the N.Y.C. Gossip Girl set Monday with Lively (not pictured).