Oh, the days of yesteryear. Many of us would love to forget about them, specifically the clothes we thought were cool in high school and that hair we thought looked awesome in college.

Luckily, we're not alone in our sentiments. Exposing the bad sartorial decisions that a main character made during high school and/or college has long been a favorite theme in television and movies, and the reveal is often times accompanied by a flashback that's both cringe-worthy and hilarious. And though school days may come to an end, escaping the shadow of the awful hairstyles and other poor image decisions can be nearly impossible when it comes to ever-dreaded reunions. While the rest of the world may know us at our best, it's those guys that knew us at our worst. 

In the new dramedy 10 Years, a large ensemble cast, including Channing Tatum, Anthony Mackie, Ari Graynor, and Rosario Dawson, play a bunch of old friends reconnecting for their 10-year high school reunion; naturally, awkwardness, rekindled flames, and new love connections all ensue. In honor of the film, we're taking a look back at the 15 Funniest Before-And-After Looks In School Movies & TV Shows.

Compiled by Tanya Ghahremani (@tanyaghahremani)

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