Old Headshot Day: Stars post hilarious throwbacks on Instagram

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.

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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:

22 PHOTOS
Old Headshots Day: Best throwbacks from the stars
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Old Headshots Day: Best throwbacks from the stars
Baby me #OldHeadshotDay
I was feeling myself during this shoot. #OldHeadshotDay
Is this really a thing? #oldheadshotday
Before Donna, Before Bleach, Before Flatirons... This is my headshot when I was 14 years old. The same one I used when I went in to audition for “Troop Beverly Hills” and “Saved By The Bell”. #oldheadshotday
#OldHeadShotDay Circa 5 years old
I booked not one job as a child model. Maybe it was the crazy clown lipstick or my terrible haircut? WHO KNOWS! #oldheadshotday #firstheadshot #glamour #model
Parasol ✅ Top pony ✅ Sassy smile ✅ Cut off Jean overalls ✅ 12 year old confidence 💯💖✅ Just for clarification, I’m currently a much more impressive 5’2 “ 😂 #OldHeadShot
Better late than never. Swipe left for my attempt at side ponies, attitude, and a bit of croquet. #oldheadshotday
Tech Avail, will audition. Special skills: juggling, scuba diving, tap dancing and drums. Commercials on request. #oldheadshotday #cryforhelp
Why so serious, twenty two year old Jen? #oldheadshotday #1994 #🤗🤗
I’m REALLY glad this picture of me wearing a baker’s hat exists! #oldheadshotday
Forgot to post this on IG for #oldheadshotday. This was two noses ago. DEAL WITH IT JEALOUS BITCHES!!
#OldHeadshotDay
Ok y’all don’t made me go and pull out all of my old headshots LMAO!! They was all wrong lol!! The first one how long was my fucking thumb!! And I thought the karate one was gonna sit shit down! It did in the wrong way!! Lol then there is the one I thought I was Halle berry lol but my jeans didn’t fit on the crouch!! Omg so so so many mistakes!! Glad I can laugh about it now cause I was serious when I took them! #oldheadshotday
#oldheadshotday 1990 I’d just learned to pluck my eyebrows “Don’t look right at me” he said “And can you point your hand backwards? It’ll look cool” This is a crap headshot kids. Good hair though 👍🏻
National Headshot day!! My first headshot! I didn’t know shit!! Man I got a deal at a photography place in Pasadena I think lol. I look older than I do now!! I thought what would Whoopi do!! Lol @whoopigoldberg #OLDHEADSHOTDAY #shewouldnothavedonethisitellyou
Serving Prince George looks since ‘95... am I a royal now?? #firstheadshot
People ask me all the time, "Danielle, have you ever jumped in roller blades?" Today you have your answer. #oldheadshotday
#OldHeadShotDay Circa: 2000 📸: Becky Thurner
If you can’t handle my scowling headshot you don’t deserve my tiny cowboy hat headshot #firstheadshot
Ok I’m joining in! #firstheadshot #nationalheadshotday #headshots 😂😂
Turn to the second pic to ogle at my 18 year-old midriff #oldheadshotday #fastmetabolism #prebirthcontrol
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