Kylie Jenner and her longtime best friend Stassie Karanikolaou celebrated the latter’s 27th birthday in style.

The 26-year-old billionaire — who gave Stassie a birthday shoutout on Instagram — and Karanikolaou each wore mini dresses, showing off their long legs.

For her part, Kylie wowed in a figure-hugging off-the-shoulder little white dress.

The birthday girl dazzled in a low-cut, sleeveless, woven gold frock that teased her perky cleavage.

The superstar YouTube appeared on social media to share photos from her bash with her 10.4 million followers.

Kylie Jenner and her longtime best friend Stassie Karanikolaou celebrated the latter’s 27th birthday in style
The 26-year-old billionaire — who gave Stassie a birthday shoutout on Instagram — and Karanikolaou each wore mini dresses, showing off their long legs
For her part, Kylie wowed in a figure-hugging off-the-shoulder little white dress

In her caption, Stassie wrote: ‘make a wish.’

In a prior post featuring more snapshots from the celebration, she wrote, ‘it’ssss maaaa birthdayyyyy!!!!!!!’

Her posh party featured a cocktail menu with Grey Goose mixed drinks.

She and her makeup mogul bestie downed shots and sipped elixirs in several images.

Jenner marked her pal’s birthday with throwback photos shared to her Instagram Stories, including a snap of the girls wearing coordinating pajamas.

Sharing footage from Karanikolaou’s event, which took place over the weekend, the Kylie Cosmetics founder wrote, ‘for liiiiife. ♾️♾️ @staskaranikolaou.’

The two socialites met in a Barnes & Noble bookstore in Calabasas when they were 13-years-old.

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

Stassie and her makeup mogul bestie indulged in shots and sipped elixirs in several images
Outtakes from the party showed the girls downing vodka shots
The birthday girl dazzled in a low-cut, sleeveless, woven gold frock that teased her perky cleavage
The duo made playful faces is the vibrant photos, which were taken on film
‘We grew up together, we’ve been through so much together. She’s like a sister to me,’ Kylie explained.

The girlfriends often appear in each other’s social media posts, and they recently documented a spontaneous trip to an In-N-Out drive-thru.

Stassie wrote in her social media caption, ‘in n out is always a good idea.’

The beauties piled into the Khy creator’s luxury SUV as they recorded themselves placing their order and later munching on their food.