Who knew they were Swifties? Kendall and Kylie Jenner lip sync and dance to Taylor's Better Than Revenge in vintage footage

These days, model Kendall Jenner is part of Taylor Swift's famous squad.

But back in 2010, she and sister Kylie Jenner were such big Swift fans they enlisted two friends to film a goofy lip sync video for Taylor's song Better Than Revenge.

The recently unearthed video shows the KUWTK stars as fresh-faced teenagers lip syncing and dancing to the track, which they uploaded to YouTube.

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Lip Sync video: Kylie Jenner is seen climbing over a white fence at the start of a 2010 video featuring her and sister Kendall lip syncing and dancing to Taylor Swift's song Better Than Revenge

Kylie and Kendall uploaded the video on November 27, 2010. Kylie would have been 12 and Kendall would just turned 15 at the time they posted it to YouTube, where it has attracted around 140,000 views.

'Just made this video for fun with some of our BEST friends!!:)' they wrote. 'Hope u guys like it!'

The video begins with a close up of bright pink lips mouthing the song's opening words, 'Now go stand in the corner and think about what you did. Ha, time for a little revenge.'

Fresh faced: Kendall wears a black leather vest as she sings about getting revenge in the clip

Tween: Kylie Jenner wears dark eyeliner and pink lipstick in the clip for a more minimal makeup look

Mirror mirror: Kylie and her friend lip sync in a black and gold bathroom

In the video, the girls enthusiastically mouth along to Taylor's lyrics, throwing themselves into the biting chorus: 'She's not a saint and she's not what you think, she's an actress, whoa.'

'She's better know for the things that she does on the mattress, whoa.' 

The 2010 song is said to be about actress Camilla Belle, who reportedly hooked up with Joe Jonas while he was dating Taylor, before they split in 2008.

The video begins with Kylie jumping over a white picket fence, before the girls take turns lip syncing into the camera.

Kylie is then seen in a dark bathroom with a gold mirror and lit candles, which appears to be Kris Jenner's bathroom.

Fun with friends: Kendall and a female friend are seen moving through a large home filled with photos

Young Kylie: The reality star would have been 13 years old when the video was made

Hair flip: The girls are seen bending over and then throwing their hair over their heads as they dance at what appears to be a construction site

Lip kit: The video then cuts to a close up of one of the girls' lips as they sing about getting revenge

The video then cuts to Kendall and a friend moving through a large house, and to Kylie and her friend pushing open a large door as they sing along.

Both reality stars wear their long dark hair down and change outfits a number of times over the course of the track. 

They girls also filmed scenes outdoors, and including a sequence where they wear matching black outfits, and bend over and then flip their hair over their heads, with backs to the camera.

And Kendall, wearing ripped black skinny jeans and a black leather zip-up vest, at one point is seen giving a big kick to a huge dirt pile as Taylor sings 'She should keep in my mind there is nothing I do better than revenge.' 

Take that! Kendall pushes her hair out of her face before giving a dirt pile a big kick

Powerful kick: The future runway star wears a black leather vest and ripped skinny jeans

Kylie and Kendall are later seen sitting side by side on a couch.

Kylie wears a light blue floral dress, while Kendall wears jean shorts and a fuzzy white vest, and twirls her fingers by her head as she mouths the words: 'She thinks I'm psycho 'cuz I like to rhyme her name with things.' 

The video then cuts to the girls' closet, with Kendall giving a glimpse of her future modelling career as she tries on a hat and pouts at the camera.

Side by side: The KUWTK stars lip sync 'She thinks I'm psycho' as Kendall twirls her fingers by her head

Cute looks: Kylie wears a blue floral sundress while Kendall wears a white fuzzy vest

Runway bound: Kendall later shows off her fashion sense as they goof off in a closet

Message: Kylie pushes her friend out of the way as she warns against 'pushing people down to get you where you want to go'

'Sophistication isn't what you wear or who you know, or pushing people down to get you where you want to go,' they lip sync as Kylie pushes her friend out of the way.

Later, the four friends are seen dancing on the top of wall at what appears to be a construction site,and leaping over a dirt pile.

They next link arms and walk up a green hill, as Taylor sings 'stealing other people's toys on the playground won't make you many friends.'

Kendall, 20, reportedly recently upset Taylor by dating her ex, One Direction star Harry Styles.

However, their fledgling relationship, which began over New Years, is reportedly already on the rocks after she discovered the British singer 'two-timed' her with a stylist.

Feeling free: The girls are later seen dancing on top of a wall at a construction site

Big leap: Kendall and Klyie wear black boots as they jump over a hole in the ground

Arm in arm: The four pals stroll through a green pasture as Taylor sings about how stealing other people's boyfriends won't earn you many friends

Quick break: Kendall and Kylie dangle their legs over the construction area after dancing up a storm

The teenagers then sing into the camera, showing off a more natural look than their current heavily-made-up style.

Kylie, who last year launched her line of sold-out lip kits, wears pink lipstick and dark eyeliner as she lip syncs into the camera. 

The Jenner girls and their two friends are next seen playing on a local playground and giving a sarcastic round of applause as they act out Taylor's lyrics about 'stealing other people's toys.' 

Young Kylie: The lip kit entrepreneur wore pink lipstick as faced the camera

Getting into it: Kylie pulled an angry face as she sang along to Taylor's revenge track

Swift fan: Kendall wore a blue tank top and her dark hair down 

Feelin' in: The future runway star threw herself into her performance

Literal interpretation: Kendall and her friend are also seen at a playground, as they lip sync the lyrics 'stealing other people's toys on the playground won't make you many friends'

Plaid: Kylie wore a red, green and yellow button-up shirt over blue jeans

All smiles: Kendall flashed a grin as her friend goofed off on the playground equipment

Fresh-faced Kylie wears a green, red and yellow plaid button-up shirt and smiles at the camera as she and her friend ride their bike down the road.

Kendall wears a pink sweater and blue ripped jeans as her pal hangs upside down from the playground equipment.

The video ends with Kylie blowing out candles in the black and gold bathroom, and then cuts to the girls waking up together in bed, pretending they all had the same video dream.

On their way: The video then cuts to Kylie and her friend cruising along on their bike

Round of applause: The reality star claps and flashes her midriff near the end of the video

Lights out: Kendall blows out two candles in the bathroom as the track ends

Was it all a dream? The girls are then seen 'waking up' and realizing they all dreamed the same video

Silly: Kylie and Kendall crack up as they compare notes with their friends at the end of the 2010 clip