Kim Kardashian and Kourtney Kardashian flaunt their fit figures in matching sparkly bikinis: See the sexy pic!

Kim Kardashian West and Kourtney Kardashian are heating up Mexico!

The reality star sisters were spotted soaking up the sun on their girls' getaway on Wednesday, rocking matching sparkly silver bikinis.

WATCH: Kim Kardashian Shares Wild Tweets From Kourtney's Birthday Celebration in Mexico

Kim, 36, looked as hot as ever during the outing, putting her fit figure on full display in the head-turning swimsuit. Kourtney paired hers with a short-sleeved white crop top, shading her eyes with chrome sunglasses.

EXCLUSIVE: **NO WEB UNTIL 7PM BST 26TH APRIL PREMIUM EXCLUSIVE RATES APPLY**  Kim and Kourtney Kardashian take a walk on the beach while enjoying their Mexico Vacation at Casa Aramara in Puna Mita <P>  <B>Ref: SPL1484651  260417   EXCLUSIVE</B><BR/> Picture by: Splash News<BR/> </P><P> <B>Splash News and Pictures</B><BR/> Los Angeles: 310-821-2666<BR/> New York: 212-619-2666<BR/> London: 870-934-2666<BR/> photodesk@splashnews.com<BR/> </P>

On Tuesday, Kim took to Instagram to share a pic of their entire group, which includes Larsa Pippen, Sarah Howard and Malika Haqq, all dressed up and posing for a photo snapped at sunset. The girls are vacationing in celebration of Kourtney's birthday -- the mother of three turned 38 last Tuesday!

Girls Trip

A post shared by Kim Kardashian West (@kimkardashian) on

RELATED: Kourtney Kardashian Rolls Around Naked in NSFW Video in Mexico

Kourtney shared a similar pic, captioning it, "Calabasas Mom Crew!"

See more of their vacation snaps below:

26 PHOTOS
Kourtney Kardashian's birthday trip to Mexico
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Kourtney Kardashian's birthday trip to Mexico
This is how we do it down in Puerto Rico
Girls Trip
con mi esposa 🌴
So I did a drunk braid on @kourtneykardash today (It was me drinking). There's no how-to either...it's a long story. 🤤🍹🌴 #ShesSoFuego #FriendsletFriendsDrunkBraid #spf1942
here's me acting super natural on a boat
brb. 🌴🍹👋🏼 #spf1942
S W A N G I N
It was written in the sky
Viva 🇲🇽
you try sucking it in after you ate your weight in chips and guac 🤷🏻‍♀️
CAVE
Rough night! I'll post chronicles on my snap
I know where I'm going.
like the ocean
NoChella @kourtneykardash
now playing "despacito" 🔂
Calabasas Mom Crew
VIVA 🇲🇽 !!
breakfast of champions 🍻
uno
dos
tres
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of
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WATCH: Kim and Kourtney Kardashian Rock Colorful Bikinis During Beach Day With Gal Pals

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