Let's do the time warp! The most jaw-dropping celebrity throwback photos

"Rocking an earlier egg challenge..." I'm A Celeb's Julia Morris uploaded a cute throwback pic of herself in her younger years and it is egg-cellent to say the least!

Personal trainer Tiffiny Hall posted this old photo of herself in high school, sharing the one piece of advice she'd give her teenage self.

"I was so passionate in school and had such incredible support from my teachers. I didn't realise at the time how important that was, but I feel so grateful now for where it has got me in life. If I could give my teen self one piece of advice? It'd be to enjoy the journey and not worry so much about the future. Live in the moment, back yourself, and trust that kindness, hard work, positivity and passion are the key to success."

We love that message!

Before she became a fan favourite on The Bachelor, Alex Nation was a mum-to-be. The reality star shared this snap from her pregnancy with son Elijah. "Here I am, 18, a brace face, pregnant, nervous, a little unsure, excited, scared (petrified) but empowered. I just want to say to ALL the mums out there, we rock. We are tired (96.5% of the time) and very rarely do we get to sit on the toilet in peace, but we absolutely rock!!!"

Who knew it was possible to love Jimmy Fallon even more? The talk show king posted this incredible photo from his first headshot in 1992.

To mark Thanksgiving, Michelle Obama posted this flashback pic of her daughters cuddling up to their dad. "Today and every day we have a lot to be thankful for. From our family to yours - Happy Thanksgiving," the former First Lady mused.

Too much cute! Sarah Michelle Gellar and Freddie Prinze Jr. were baby-faced sweethearts when they celebrated their first ever Thanksgiving together. "This was our first Thanksgiving, and while we had a lot to be grateful for on that day, it doesn't compare to all that we have now. I try very hard to be grateful and appreciative all year, but it doesn't hurt to have one dedicated day," the actress confessed.

"My #TBT is going way back #BodyBeforeBaby I wouldn't trade my kids for anything, but once in a while it's ok to be envious of what you used to look like. #Goals #Dreaming This also reminds me...I need a vacation," Sarah Michelle Gellar wrote next to this heavenly pic with husband Freddie Prinze Jr.

Whether she's glammed up for a Tiffany & Co. event, or throwing back to her boot-scootin' days on the set of the 2002 film Sweet Home Alabama, Reese still owns that Southern charm.

Too Sweet. Reese Witherspoon took us back with this snap, saying, "Because what Southern girl doesn't love a John Deere tractor."

B-L-A-K-E! We'll always be cheering for this mum-of-two.

Aww! How cute was little Ryan Reynolds!

Hillary Clinton has taken to Instagram with a sweet message for her husband Bill on his 70th birthday. "Happy birthday, Bill!" she penned beside a vintage shot from their 1975 wedding.

Drew Barrymore was a star from the start! "At work on Firestarter 1982, North Carolina. #oldstorageunitday," the 41-year-old penned.

Drew shared this beautiful flashback of her with mum, Jaid, saying, "Today I wrote a book. And as I thank and celebrate many women this week, I must say a huge thank you to my mother. As I say in the acknowledgments, "thank you for my life. I am ever so pleased to be here!" We have had quite a road, but it is paved with gratitude."

David Beckham shared this flashback in honour of his wife, Victoria's 41st birthday.

Aussie comedienne, Julia Morris, has shared this adorable throwback to her playground and pigtail days.

To celebrate Khloe Kardashian's 32nd birthday, sister Kim posted this amazing vintage snap of the two alongside the sweet caption, "You constantly surprise me with your strength and determination. I've learned so much from you in this life time, I'm so proud to call you my sister and best friend!"

Carrie Bickmore shared this incredible throwback from her school formal. Talking about her date's reaction to her velvet frock, the blonde beauty said, "When he rocked up he said to me, 'I think my grandma's couch is made out of that material.'"

"Oh God, I'm still rocking the same moves! That' a bit disturbing," the mother-of-two laughed when a caparison pic flashed across the screen.

Watch the hilarious moment play out in the next slide!

Australia's own Hugh Jackman has shared this incredible flashback to his university days with a reminiscent post on Instagram. Wishing this generation's graduates his best, the star wrote: "Congrats To The Graduating Class Of 2016!"

Real Housewives Of Beverly Hills star Brandi Glanville posted this amazing shot with a young Prince Albert, revealing they went on a date! "Remember that one time at Band camp I mean Cannes camp... When you had dinner with a prince," the reality star penned.

"Yes, someone knitted this for me. I would just like to express my gratitude after all these years. Didn't appreciate it's beauty at the time. My face says it all!!!!!! #throwbackthursday," Catherine Zeta-Jones penned alongside this incredible retro pic on the left.

Her son Rocco seems to be determined to stay with his father, Guy Ritchie, in London and it's breaking Madonna's heart. The 61-year-old referenced her current custody battle by sharing this retro snap with sons David, Rocco and daughter Lourdes. "Days of innocence. In Malawi. How I miss this time," she penned alongside a sad face emoji.

Long before he rose to fame, Harrison Ford, now 77, was just a handsome carpenter waiting for his big acting break. Brazilian musician Sérgio Mendes has blessed all of our eyes by sharing this spectacular throwback of the Star Wars actor in 1970 at just 28 years old and it's obvious he was always destined for amazing things!

In celebration of her 26th birthday Taylor Swift shared this incredible throwback writing, "Today I begin my 26th year of freaking out over stuff," and we would not have it any other way Tay-Tay!

Once a beauty, always a beauty! Rebecca Gibney proves that aging is optional with this '80s flashback that takes aim at her choice of hairdo. "Let's not talk about the perm..." she wrote.

Hugh Jackman embraces the warmer months by sharing this shirtless pic (L) "Summer Lovin in the mid-80's. #throwbackthurday," he captioned it.

While he was dashing in the Eighties, he was even cuter in the Seventies! "Circa 1970 me and Sooty." Who would have thought that cherubic blonde boy would grow up to be Wolverine!

"Once upon a time ...." Hugh Jackman uploaded this delightful shot with his wife Deborra-Lee Furness from back in the day. What fresh-faced cuties!

Mariah Carey shared this cute throwback with the fitting caption, "Horsing around."

Jenna Dewan Tatum shared this adorable throwback from the set of Step Up, where she and her former husband Channing met. "On set of Step Up. I cannot believe it's the 10 year anniversary of the release today!! Ahhhh where does the time go?? Love you all and thanks for all the love all these years," she captioned.

Watch Channing and Jenna re-enact the Step Up dance 10 years later in the next slide!

How cute is Adele? We think she hasn't changed a bit. "Throwing it way back with this! Thank you for all the love, I am so blown away. X" she wrote on her Instagram.

Katie Holmes is the spitting image of her daughter Suri in this stunning throwback snap!

Taylor Swift just shakes off her awkward photos from her childhood... by sharing them! Doesn't she make a sweet Teletubbie?

Too cute Taylor!

Photographic evidence that as a child, Kanye West liked to smile! What a cutie.

Pregnant with her second child it seems Kim Kardashian is looking back to her pre-baby body. The reality star posted this retro shot from a photo shoot alongside the caption: "skinny dayz #imissu." You look awesome just the way you are, Kim!

Wow! Before Kendall and Kylie Jenner became the world's most watched siblings, they were just two little sisters who rocked Adidas and pigtails.

And Khloe was just another student heading to school.

It looks like Kim and Kourtney Kardashian always loved the camera! Even as bubs they were naturals.

A long time ago Kim Kardashian and Nicole Ritchie used to be friends...

Now this is the perfectly synced flashback of when two fantastic music legends become one! Lance Bass from NSYNC shared this snap of his former band casually hanging out with the Spice Girls after they both released their first singles in the Nineties.

"The Force Awakens! Before Han Solo, there was a great carpenter named Harrison Ford. And here he is, with his crew, the day he finished building my recording studio back in 1970...Thank you Harrison...may the force be with you... ‪#‎TheForceAwakens‬ ‪#‎StarWars‬ ‪#‎HarrisonFord‬," Sérgio captioned the pic.

James Van Der Beek captioned this photo, "#ThrowbackThursday First car. I had no business being this proud of this car. Or this haircut."

Nawwww we see were baby Silas gets his cute factor. Justin Timberlake shared this sweet photo for his mum's birthday, calling her his "first partner in crime!"

Sam Smith swapped his clowning days to be one of the world's most acclaimed singers.

Diane Kruger shared this brilliant insight to her teen years. "This is me at 15, winning the 'Look of the Year modeling award in Germany'...HOW you might ask ? I really don't know . . . maybe that year baby face with too much make up and crooked teeth was in style ? Maybe they were playing a cruel joke on me ?? Whoever picked me . . . thanks for the Vespa I won and the life that opened up to me !!!! All you awkward looking girls out there !!!! SOMEONE thinks you're pretty !!!"

Alicia Keys captioned the photo on the left, "#tbt Circa 1992! Got my holiday fly on, rocking around the house with my new roller skates! Thank you, Mama for letting me." The singer shared the image on the right with this inspiring message, "In school I learned to NEVER let anyone tell me I couldn't achieve my dreams!"

We're missing Mandy Moore like candy but when she delivers super sweet throwbacks from young ballets days - it makes us that much fonder of the pop star!

Josh Duhamel joked that he's still waiting to be drafted into the NFL when he shared this high school throwback.

Looks like Liv Tyler has stolen her dad's guitar!

"#tbt Getting ready to host Australian Princess!! #blastfromthepast #throwbackthursday," radio star Jackie "O" Henderson captioned the shot on the left. And these days (R), the mother-of-one is still as stunning as ever.

Kate Hudson posted this amazing flashback snap of her parents, Goldie Hawn and Kurt Russell from back in the 80s!

All hail America's former commander-in-chief Barack and his wife Michelle Obama.

Amanda Seyfried still has that happy smile!

We adore this flashback to Victoria and David Beckham's wedding!

Nigella Lawson shared this snap from decades ago. She hasn't changed!

Eva Mendes take us back to her younger years!

"So there was this one time... #ThrowbackThursday #rustyhue jx what do you mean it's not Thursday?," hilarious host Julia Morris wrote alongside a retro shot of her with a flute.

January Jones shares the BEST throwbacks. A fro and a mullet... she has definitely changed!

Wow! The Rock knows how to rock a turtle neck.

David Campbell during his musical theatre days.

To celebrate three decades since the very first epsiode of The Oprah Show, the host took to social media with this vintage pic. "30 years ago today. The premiere of The Oprah Winfrey Show. Amazing Grace. Glory days. Shoutout to Harponians everywhere!" she wrote beside it.

Liam Hemsworth has posted a sweet behind-the-scenes snap from The Last Song, which incidentally was the film where he and now-partner Miley Cyrus met. "Throwing it WAY back... what a 'blur.' #TBT" he penned.

How time has flown! #RIPMileyAndLiam.