Celebrities including Reese Witherspoon, Will Smith and Emma Watson post throwback photos for Old Headshot Day

They look so young!

Reese Witherspoon / Will Smith / Emma Watson
Author: Anna Sky MagliolaPublished 30th Apr 2018

Over the weekend celebrities have been celebrating Old Headshot Day. Hundreds of celebrities have posted photos including Emma Watson, Will Smith, Reese Witherspoon and Melissa McCartney.

Star of the Harry Potter films and Beauty and the Beast Emma Watson, posted a photo of herself wearing a very pink top and hat captioned, 'I’m REALLY glad this picture of me wearing a baker’s hat exists! #oldheadshotday'.

Actress Reese Witherspoon also took part in the day by posted a photo from when she was just 12-years-old.

Saying, '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', the Legally Blonde actress joked about her height, 'Just for clarification, I’m currently a much more impressive 5’2.'

The Fresh Prince of Bel-Air star, Will Smith then posted a photo of himself wearing one earring!

American model Karlie Kloss also took to social media to post a photo of herself from 10 years ago.

Star of the new film Life of the Party and a special guest on a recent Carpool Karaoke with James Corden, Melissa McCarthy posted a black and white photo saying, 'If you can’t handle my scowling headshot you don’t deserve my tiny cowboy hat headshot #firstheadshot'.

Singers Joe and Nick Jonas also posted throwback photos!

See some other photos from when celebrities were much younger:

Britney Spears

She's 38 now, but back in 1998 Britney Spears was preparing to drop her massive hit 'Hit Me Baby One More Time'.

Cheryl Tweedy

Cheryl Tweedy looked very different before she found fame with girl group Girls Aloud on Popstars: The Rivals.

Beyoncé

Beyoncé rocked some very cool sunglasses back in 2000.

Calvin Harris

Scottish DJ Calvin Harris has undergone a MASSIVE image overhaul since he dropped his first hits in 2007.

Ariana Grande

It's hard to believe but the young girl in this photo blossomed into the stunning Ariana Grande.

Demi Lovato

Before making it big in the music industry, Demi Lovato was a massive Disney star.

Harry Styles

Cheeky chappy Harry Styles in his early One Direction days. Who can forget that hair?!

Justin Bieber

A baby-faced Justin Bieber back in 2008!

Justin Timberlake

The coolest of throwbacks from Mr JT.

Adele

Adele shot to worldwide fame after dropping her debut single 'Chasing Pavements' in 2008.

Liam Payne

Before becoming a daddy to baby Bear, One Direction's Liam Payne rocked some questionable hairstyles.

Katy Perry

'I Kissed A Girl' singer Katy Perry looked completely unrecognisable compared to her current look.

P!NK

She's had a number of amazing hairstyles over the years, but this throwback of P!NK is definitely up there with the best!

Niall Horan

Here is Irish heartthrob Niall Horan during his days on The X Factor with One Direction.

Rihanna

A very youthful-looking Rihanna in 2006.

Little Mix

Here are Jade Thirlwall, Jesy Nelson, Leigh-Anne Pinnock and Perrie Edwards back in 2011 when they first joined Little Mix.

Ed Sheeran

The lovely Ed Sheeran back in 2011, before he turned into a MEGA pop star around the world.

Zayn Malik

Zayn Malik looking very pleased with himself as he's surrounded by One Direction fans in 2010.

Taylor Swift

Taylor Swift embraced her country roots back in 2007.

One Direction and Olly Murs

Olly Murs uploaded this photo to his Instagram page with One Direction stars Louis Tomlinson, Liam Payne and Niall Horan, all looking very young in 2012.

Other actors and actresses who posted their headshots included Star Wars actor Mark Hamill who posted a number of black and white headshots, and actress Natalie Portman who also starred in a number of Star Wars films.

Meanwhile, star of Orange Is The New Black Laverne Cox, shared a photo from around 11 years ago saying, 'Here ya go Twitter'.

A number of other celebrities also took to social media posting their throwback photos.