She is the best friend of Kylie Jenner. 

But Anastasia Karanikolaou aka ‘Stassie’ has made a name for herself as a hugely successful YouTuber, boasting 780K followers on the platform.

The 25-year-old superstar showcased her incredible figure in a red bra and a matching thong.

The brunette beauty posed up a storm on a balcony in the racy look, which highlighted her ample cleavage and her pert derriere.

Stassie and Kylie have been friends since middle school. 

She’s got the IT factor! She is the best friend of Kylie Jenner. But Anastasia Karanikolaou aka ‘Stassie’ has made a name for herself as a hugely successful YouTuber, boasting 780K followers on the platform

Stassie flaunted her impossibly flat midriff in the striking crimson hued bra top and tiny thong bottoms.

Her brunette locks were loose around her, cascading around her flawless face.

The beauty captioned the sultry images as ‘Just a taste.’

Stassie and Kylie became friends in middle school; the pals were also besties with now former friend Jordyn Woods.

They ended their friendship with her after it was revealed Khloe Kardashian’s baby daddy Tristan Thompson cheated on Khloe with Jordyn in February 2019. 

In 2019, Kylie provided more insight on the start of their friendship in a sweet post dedicated to Stassie for her birthday that year.

She also posted the first picture they took together.

She wrote on her stories: ‘So it all started when I met a beautiful bomb a** blonde at Barnes and nobles. This was our first pic together before we were friends.’ 

Iconic: The 25-year-old superstar showcased her incredible figure in a red bra and a matching thong

Sizzling: The brunette beauty posed up a storm on a balcony in the racy look, which highlighted her ample cleavage and her pert derriere

Red: She tagged the brand in her Instagram stories

Through the years: The duo have been twinning their outfits since their early teen years; the duo were also besties with Jordyn Woods

Pals: The duo have posted many pictures of the two of them striking a posse over the years

The pals have been known to twin in their outfits, since they were teens. 

Last month, Kylie and Stassie posed for another twinning moment, this time coordinating in Jean Paul Gaultier.

The stars showcased her flat midriffs in the look, wearing a mini skirt and crop top in coordinating colors.

They posed up a storm in the optical illusion looks while on a bed; both ladies shared the snaps to their Instagram pages.

The first time: Kylie said on her Instagram stories: ‘So it all started when I met a beautiful bomb a** blonde at Barnes and nobles. This was our first pic together before we were friends’

Summer ’19: Kylie shared a series of racy snaps with her pal during the latter’s birthday celebrations

Wow: Last month, Kylie and Stassie posed for another twinning moment, this time coordinating in Jean Paul Gaultier

Sultry: The stars showcased her flat midriffs in the look, wearing a mini skirt and crop top in coordinating colors