Kylie Jenner’s best friend Anastasia Karanikolaou – who used to go by the nickname Stᴀssie Baby – showed off her ʙικιɴι body this week.

The stunning Instagram model was seen in a cute two piece with a triangle top and tiny briefs that tied on the hips.

The brunette was in St Barths in the Caribbean with with actress and singer-songwriter friend Justine Skye who is close pals with Hailey Bieber.

The looker wore dainty jewelry and a belly piercing.

She was also seen walking out of the water as her ʙuтт was on display in the skimpy thong number.

Kylie Jenner ‘s best friend Anastasia Karanikolaou – who used to go by the nickname Stᴀssie Baby – showed off her ʙικιɴι body this week

The stunning Instagram model was seen in a cute two piece with a triangle top and tiny briefs that tied on the hips

She also took to social media to show her fans how much fun she was having in the tropical location.

‘Happy NYE,’ was all she wrote in her caption as Kylie as well as Joan Smalls and Hailey Bieber hit the like ʙuттon.

Lisa Rinna’s daughter Amelia Gray Hamlin commented, ‘Wow.’

In mid December she seemed to be in a party mood as if it was spring break.

The pH๏τogenic wonder showed off her incredible figure in a skimpy two piece swimsuit while at the Nobu resort in Cabo San Lucas, Mexico.

She was seen posing by a swimming pool in the bathing suit as she flashed her belly piercing and tattoo.

And in a video, the Los Angeles resident was seen drinking pink wine from the bottle as she partied with her pal Vic who is Victoria Villarroel, Kylie’s former ᴀssistant.

They were laughing their heads off.

The brunette was in St Barths in the Caribbean with with actress and singer-songwriter friend Justine Skye who is close pals with Hailey Bieber

The looker wore dainty jewelry and a belly piercing

She was also seen walking out of the water as her ʙuтт was on display in the skimpy thong number

To get her party hard mood across she played Iggy Azalea’s song Work about Sєx. ‘Valley Girls giving blow jobs for Louboutins,’ was one of the lyrics.

Stᴀssie K is YouTuber Anastasia ‘Stᴀssie’ Karanikolaou who is of Greek descent.

Stᴀssie is a top model.

She has worked with Pretty Little Thing, Rihanna’s Savage x Fenty lingerie brand, a Kylie Cosmetics collection and Khloé Kardashian’s Good American.

Karanikolaou was seen in this ʙuттerfly ʙικιɴι on Tuesday

Her mom died in 2023 and Kylie was there for her longtime pal whom she has known since middle school.

‘She’s definitely my oldest friend,’ Jenner said of Karanikolaou on the season 3 finale of The Kardashians.

‘We grew up together, we’ve been through so much together. She’s like a sister.’

Karanikolaou did not grow up in a wealthy family.

She said on a podcast she had ‘lot of commotion’ in her childhood with divorced parents.

She also said she now financially supports her entire family with money she has earned with modeling.

In November she showed off her incredible figure in a skimpy two piece swimsuit while at the Nobu resort in Cabo San Lucas, Mexico

Karanikolaou and Jenner met at a Barnes & Noble in Calabasas, California in 2010.

Stᴀssie and Kylie have gone to events together and posed side by side for Sєxy Instagram pH๏τos.

She debuted Sunny vodka in March 2022.

‘I have been working on this project with @zackbia for the past few years and we are so proud to share it with the world,’ she wrote in an Instagram post the day the vodka brand went on sale.

‘We truly wanted to put our California spirit into this product and hope you all can feel the friendship and love with each sip.’

In August, Karanikolaou hit Sugar Factory to promote the vodka.

The star made cocktails herself as she showed off her hourglᴀss figure to fans.

Her best friend is billionaire Kylie Jenner

Her love life has been rocky.

 Karanikolaou split from TikToker Jaden Hossler in April 2024.

‘I am no longer in my relationship,’ she shared in a TikTok video. ‘Grieving the life I thought I was going to have with that person is a lot to process.’

Stᴀssie is also pals with Sofia Richie, Hailey Bieber and Kendall Jenner.On her YouTube channel, she’s documented procedures from lip fillers and a breast lift in 2017 to an eventual reduction of her breast implants in 2019.

In 2019 she had breast implant reduction.