Kylie Jenner, Kendall Jenner, Hailey Baldwin, and More Pals Continue B-Day Celebration Aboard Yacht — Bikini Party Pics!

Kylie Jenner and Kendall Jenner
Kylie and Kendall Jenner jump off a yacht in Mexico -- see all the party pics FAMEFLYNET PICTURES

All aboard! Kylie Jenner continued to celebrate her 18th birthday in Mexico on Wednesday, Aug. 12. The curvaceous Keeping Up With the Kardashians star, along with sister Kendall Jenner, boyfriend Tyga, and pals including Hailey Baldwin and Pia Mia, climbed aboard a yacht in Punta Mita for a fun day in the sun.

Kendall Kylie Haylie and Pia on Yacht
Kendall Jenner, Hailey Baldwin, Kylie Jenner, and Pia Mia goof off on a yacht in Mexico for Kylie's 18th birthday. FAMEFLYNET PICTURES

Swapping her purple two piece for a white strappy bikini, the PacSun fashion designer appeared to be having a blast jumping off the chartered boat into the sea with her gal pals. After going for a swim, Kylie, who has been rocking cornrows in her hair for an easy beach style, cozied up to Tyga, 25, on the bow of the boat.

My lil babies

A photo posted by King Kylie (@kyliejenner) on Aug 13, 2015 at 12:42pm PDT

The crew has been staying at the seaside escape Casa Aramara while vacationing for Kylie’s birthday. “My lil babies,” Jenner captioned an Instagram photo with her friends posing on a jet ski on Thursday, Aug. 13. Tyga put up his own Instagram on Thursday too, showing off the properties gorgeous landscape and beachfront views.

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A photo posted by Tyga / T-Raww (@kinggoldchains) on Aug 13, 2015 at 11:48am PDT

Kim Kardashian’s youngest half-sister’s birthday celebrations have been ongoing and even touts its own Tumblr page. "Omg!!! http://Kylie18thbirthday.tumblr.com is so amazing!! Just spend some time reading. I love u guys this means so much,” Kylie tweeted to her fans Thursday.

Kylie Jenner and Tyga on Yacht
Kylie Jenner cozies up to Tyga on a yacht in Mexico with her pals. FAMEFLYNET PICTURES

On Aug. 16 Jenner is headed to Montreal where she’ll continue partying at the Beach Club.

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