Katie Holmes Wears a Wet T-Shirt in Washington Square Park! Cowabunga! Megan Fox Films With Her Shell-Less Ninja Turtle Jennifer Garner Puts in Real "Work" on Set Drake Joins the Anchorman Crew For a Crazy Day on Set Katie Holmes, Andrew Garfield, Lena Dunham, and More Stars on Set Amy Adams Gives Bradley Cooper Lots to Look at on Set A Special Love Interest Sneaks Onto Ben Stiller's Set Katie Holmes Is Crazy About Her New Onscreen Man Zac Efron, Cameron Diaz, Vince Vaughn, and More Stars on Set Ryan Gosling Pulls a Late Night With Christina Hendricks and Matt Smith Tina Fey and Amy Poehler Beat Up Sacha Baron Cohen on Star-Studded Anchorman Set Megan Fox Jumps Into Action For Teenage Mutant Ninja Turtles Zac Efron Flashes His Tanned Abs For the Cameras Leslie Mann Picks a Fight With Cameron Diaz on Set Cameron Kisses Her Costar in Between Canine Scenes Ryan Gosling Puts His Big Biceps to Work George Clooney Laughs Through His Birthday With Matt Damon Ryan Gosling, Reese Witherspoon, George Clooney, and More Stars on Set Ryan Gosling Makes His Directing Debut in Detroit Spoiler Alert! Lena and Adam Reignite Their Girls Love Scarlett Kicks Captain America Filming Into High Gear With Chris Evans Cameron Diaz Puts In Back-to-Back Days on Set Amid New Costar News Reese Witherspoon Returns to Work in Atlanta Following Arrest Jamie Foxx Geeks Out During a Spider-Man Shoot With Andrew Garfield