• BACK TO BUSINESS photo | Christina Applegate, Will Arnett

Credit: MAP/Splash News Online

Published: Monday September 17, 2012 06:00 AM EDT

2012

BACK TO BUSINESS

A week after announcing his split, Will Arnett returns to work on the Los Angeles set of Up All Night, where he filmed a scene with costar Christina Applegate and their on-screen daughter Friday.



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