Not only was BIRDMAN's Zach Galifinakis an amazing guest last night on The Tonight Show with Jimmy Fallon, he was also did a great skit with Jimmy behind the scenes! Check it out:

And here are some clips from his time in front of the Tonight Show desk. And surprise, it's hilarious. 

BIRDMAN flies into theaters in NY and LA this Friday! You can buy tickets by clicking here. For more information, visit!

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