Isla Fisher was in full character as Myrtle Wilson on the Australian set of "The Great Gatsby" today. Her costar Tobey Maguire was also in costume for the day of filming, which took place at an old power station in Sydney. They'll soon welcome another member to the cast since model Gemma Ward has been confirmed to play Myrtle's sister Catherine. Isla and Tobey have their families with them Down Under while they work on the film adaptation of the iconic book. Isla got away from the cameras to spend time with her husband Sacha Baron Cohen and their daughters Olive and Elula earlier this month, and the foursome celebrated Sacha's 40th birthday with a boat ride.

Click "Launch Gallery" below to see the stars of The Great Gatsby play dress up!

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By: Lauren Turner