Kylie Jenner gave her eldest sister Kim Kardashian a helping handing promoting her Skims range.
The 39-year-old founded her body shaping line last year – and the Kardashian clan are regularly seen in form-fitting undergarments from the collection.
Taking to Instagram on Thursday, the makeup mogul roped in BFF Stassie Karanikolaou, real name Anastasia, for an impromptu photoshoot at home, and the pair looked eerily alike.
And even sisters Kim and Khloe commented on the likeness of the pair, admitting the duo looked like twins.
For the sultry snap, the best pals donned matching outfits, consisting of a nude Skims ensemble that hugged their shapely figures in all the right places.
The skintight outfit comprised of sand-coloured body-con trousers with a matching long-sleeved tee.
Making sure their figures were the centre of attention, the added on a corset that pulled in the waist and highlighted the duo’s toned midriff.
Hard to identify between them, Kylie and Stassie styled their brunette tresses in the same fashion, sporting loose waves down to their waist.
Looking identical, and more like sisters than friends, both of them decided on wearing the same lipstick shade across their plump pout.
Posting to her 187million followers, Kylie put: "And we're back."
The mum-of-one was quickly met with compliments form her family and fans, with many commenting on the pair's similarities.
One wrote: "Who is who?"
"You're twins," another remarked.
And Stassie posted the same photo with the caption: "Twin 4 life."
Stassie and Kylie proved they have a strong bond after getting matching tattoos on their tricep in tribute to the reality TV star's daughter Stormi.
According to Page Six, they received the ink from tattoo artist JonBoy at Travis Scott’s birthday party at the end of April 2019.