Hailey Baldwin, Kylie Jenner and Bella Hadid, from Hadid's Instagram.

Remember your 19th birthday? Perhaps you were in the midst of your first year of college, celebrating your dwindling teendom in your dorm room with peers. You likely were not yachting your way through the Turks and Caicos with a bevy of Instagram-famous models/siblings/teens who are famous for no clear reason — but then again, Kylie Jenner is a rare kind of 19-year-old.

The youngest of the Kardashian posse celebrated her birthday this week with an island getaway alongside big sister Kendall, model pals Hailey Baldwin and Bella Hadid, and a collection of other friends we seem to know through the Jenner web of Instagram and Snapchat activity.

The vacation comes on the heels of Jenner’s beauty expansion; in July, she added eye shadow to her ever-popular collection of Kylie Lip Kits. And Kendall and Baldwin are likely getting some preserving beauty-rest ahead of New York Fashion Week in September.

Jenner, who turned 19 on Aug. 10, appeared back to her natural shade (or what we’re guessing is natural — it’s hard to remember a time she wasn’t sporting an ever-shifting hue of rainbow hair). Recalling all the way back to Wednesday, Jenner showed off shockingly red — and apparently quite temporary — cornrows alongside snaps of the black Mercedes-Benz Maybach she was gifted from her rapper paramour Tyga.

“Happy birthday Ky Baby,” Hadid wrote in one of her beach-photo captions. “Life would be boring without you.” Indeed.