"Hangover" star Zach Galifianakis bailed on the premiere of his latest film "You Are Here" at the Toronto Film Festival to attend to his wife, Quinn, who is in labor.

The film's director, Matthew Weiner, told E! News that they found out at the last minute that Galifianakis would be a no-show due to the baby's imminent arrival. "We literally found out on Friday," said Weiner. "Zach is going to be the best dad in the world."

This will be the first child for the couple, who have been married since August 2012.

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