Happy 56th birthday to the most hilarious and lovable guy in showbiz, Zach Galifianakis! Can you believe it's been another trip around the sun for this bearded bad boy? Just like your iconic character, Alan from The Hangover, you never disappoint in bringing the laughs. From your stand-up to your film and television roles, you always leave us in stitches. Plus, you give the best awkward hugs, just like a true 56-year-old. Here's to another year of belly laughs and ridiculous antics. Cheers to you, Zach, and may all your birthday wishes come true!