We love any excuse for a throwback photo!
Over the weekend, stars belatedly participated in Old Headshot Day, which was on April 26, and the resulting posts were absolutely hilarious.
Everyone from Reese Witherspoon to Ben Stiller to Natalie Portman and Tori Spelling took part in the fun social media trend, which was exactly what it sounds like: People used the day as an opportunity to share old headshots that ranged from ridiculously adorable to adorably ridiculous, and we've rounded up a bunch of our favorites right here.
See the best celebrity posts from Old Headshot Day:
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