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Can you guess which pop star this is? Take a look at these celebrities before they hit the big time and see if you can spot them back when they were just like the rest of us!
"Hey hey hey!" Need we say anymore? Picture: Seth/Yearbook
Before she was selling out stadiums around the world, this star was busy looking like the cutest kid at every party she went to.
He might have been a 'College Dropout' but this was one star well-aware of his potential from an early age. Picture: Coleman Rayner
Picture: Colemen Rayner
Before he became one of the world's biggest rappers, this future star was also knew how to wear a snazzy suit. #Lookingfresh Picture: Yearbook
Here's one of the world's biggest stars in her 9th year of school (called Freshman year in the US) at the Houston School for the Performing and Visual Arts in Houston, Texas. Picture: Seth Poppel/Yearbook Library.
Picture: Seth Poppel/Yearbook Library.
Always shooting hoops as a youngster, this pop star still loves to watch the basketball and is often seen courtside with his on-off girlfriend! Picture: Coleman and Rayner
Picture: Coleman and Rayner
This young star was the youngest ever Elvis impersonator and once had a cameo as The King in the Nicolas Cage and Sarah Jessica Parker movie Honeymoon In Vegas.
Bruno Mars has become one of the top male voices in pop since those days impersonating Elvis. He's still got the moves though and is fast on his way to having as many hits as the 'All Shook Up' star as well!
She's become one of the UK's hottest new acts ever since being spotted by Roc Nation boss Jay-Z. The '99 Problems' rapper quickly signed this young star to a record deal and she has gone on to release a string of huge hits including 'Shine Ya Light' and 'R.I.P.'
Rita Ora is almost unrecognisable in her pre-popstar days in this childhood photo from her starring role in a British crime drama back at the age of just 14.
These days she's the very epitome of a 'Femme Fatale' but back in the day this US mega popstar was the picture of innocence. Picture: Rex
On the left we have a mini Britney performing on stage as a child. On the right it's Britney Spears as we know her today, performing on stage in San Remo, Italy with her Mickey Mouse Club days a long way behind her. Picture: PA
This pop star turned panel show judge was more than happy to show off these pictures of her childhood during an appearance on another reality TV show. Picture: Splash
Back in the day Nicole Scherzinger looked like butter wouldn't melt, but judging by this pose, her star quality was already beginning to shine.
Looking at this picture, nobody would have guessed the young blonde in question would go on to such 'Dirrty' pop shenanigans. Picture: Wenn
The Voice US judge Christina Aguilera's teenage self was significantly less blonde but still every inch the star.
These days she's known for her crazy hair and outlandish outfits, but this pop-star-in-waiting definitely wasn't 'Born This Way'. Picture: Wenn
The keyboard is the only similarity between the Lady Gaga we all know and love and Stephanie Germanotta as she was back in the day.
This star to be obviously had The X Factor from a very young age. Picture: WENN
A baby-faced Cheryl Cole proves that the Girls Aloud singer was always intended for stardom.
He's one of the most eligible bachelors in the world, but he wasn't so 'Sexyback' in his Mickey Mouse Club days. Picture: Wenn
Just like fellow Mickey Mouse Clubbers Christina Aguilera and Britney Spears, Justin Timberlake was a natural on stage even in his teen years.
She's become one of the biggest pop stars in Britain, but before earning success with her 2011 debut album 'Who You Are', this singer auditioned as a contestant on the TV show Britain's Brilliant Prodigies back in 2003. Picture: Rex
It's Jessie J as a nipper...and there's not a catsuit in sight!
There's only One Direction this mini pop star's going in and that's the big time! Picture: Rex
He's adored by millions of girls all over the world, and this baby picture of Liam Payne proves that adorability just comes naturally to the One Direction star.
Here she is performing as Blousey Brown in Bugsy Malone back in her stage school days. Can you guess which UK pop sensation she would grow up to be?
Minus the black wig, the stage make-up and the catsuit, teenaged Jessie J was still every inch the pop star.
This US star was part of one of the biggest girl bands of all time, a record-breaking solo star in her own right as well as being one hot mama. But back in the day this American star in the making practiced her ballet just like all good girls. Picture: Wenn
Judging by this childhood picture of Beyonce, the 'Crazy In Love' singer was always destined for the stage.
Can you spot which future girl group and solo star is really digging her fringe in this photo?
The '3 Words' singer told fans on Instagram that it took 45 minutes to perfect her fringe back in the day.