From Marionette Jackson 5 To Penny's Baby Bjorn: The Greatest Costumes Ever Worn On 'Happy Endings'

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Any sitcom worth anything knows the importance of the Halloween episode. And the flashback episode. And the episode where people dress up for a theme party because in real life, let's face it, no one commits that hard to theme parties. Happy Endings was one of those shows where any time the cast dressed up, it was that much funnier, and today, we bring you our favorite costumes from the course of the show's three seasons. From the Halloween episodes to Jane's Gwen Stefani phase to their roaring 20s party where Dave and Max looked more Mumford than Gatsby, we learned a lot from these guys about how to take costumes to the next level.

Tune in to Happy Endings when it airs on VH1 every Wednesday from 7 to 9PM ET/PT.