Could Kylie Jenner, 22, and her BFF Anastasia “Stassie” Karanikolaou, 23, look any more like twins? The Keeping Up With The Kardashians star took to Instagram on August 5 to share a new snap with Stassie in matching Prada outfits worth a cool $1740. “prada bae,” Kylie captioned the pic, which showed the girls posing on a couch in what appeared to be her new $36.5m resort-style mansion.