Your Comprehensive Guide to the Sexiest Swimsuits the Kardashian-Jenners Have Worn Over the Years

The Kylie Cosmetics mogul said she "chooses happiness over everything and anything" as she soaked up the sun in a multicolored crochet bikini. 

The social media queen dropped another bikini bombshell, modeling a revealing two-piece in unseen vacation snaps shared on Instagram from "The Blue Lagoon." (How'd she do Brooke?) 

Mom to Mason, Penelope and Reign Disick kicked off "spring break" season with some much-deserved TLC by the pool in a reflective silver string bikini. 

Kicked back in a hammock above the crystal-clear ocean, the bikini-clad star soaked up every bit of paradise. 

Kylie Jenner was at a loss for words when seeing her older sisters' smoking hot swimsuit pic: "Wow just wow."

The sisters got cheeky in matching thong string bikinis as they sat a the edge of their infinity pool.

Double trouble! The eldest Kardashian-Jenner sister and Kylie Jenner's BFF Victoria Villarroel looked nearly-identical in bright orange bikinis. 

The supermodel loves taking a good swimsuit mirror selfie, so she struck a pose in the bathroom during her girls' trip to Mexico with sister Kylie.

The star felt "dreamy" as she showed off her curves in a sexy Dior bikini.

Kim knows how to transform any location into a spot for a photoshoot — even the ledge of a balcony. She kicked back on the railing to model her sexy string bikini, Dior-printed bandana and Yeezys. "Just Chillin,'" the star said.

She left little to the imagination while having "a little fun in the sun" in this skimpy red number by Sommer Swim.

Even though it was the "7th day of fall," as Kylie pointed out in her caption, the beauty mogul was still embracing summer living as she sunbathed in a busty Dior bikini. 

Livin' the lake life! Kourtney manned the speedboat in a high-shine silver one piece as she cruised around the crystal clear Colorado waters during a family vacation. 

The Kylie Cosmetics mogul soaked up the sun while standing under an outdoor shower on her Turks & Caicos 23rd birthday getaway.

The star soaked up the summer sun posing on an outdoor staircase in a pricey Fendi one-piece (available on FarFetch.com for $1,153) with slim cat-eye sunglasses and a teeny-tiny black handbag.

Beach babe! Kendall teamed her Monday Swimwear tropical-print bikini top with cutoff denim shorts, rectangular sunglasses and a Lack of Color sun hat during a day at the beach with friends in Malibu.

The Kylie Cosmetics makeup mogul continues to show off her extensive bikini collection - this time in a revealing neon green two-piece - as she social distances at the palatial pool inside her new Holmbly Hills mansion.

The mom of four cozied up to 4-year-old son Saint as she lounged outside on a sun chair in a cheeky black string bikini.

Twinning! The makeup moguls looked nearly identical as they posed by the pool in their curve-hugging bikinis. "“Yin 🤎 Yang 🖤,” Kim captioned the shot, referencing the pair’s bikini colors with a tan and brown heart.

The 40-year-old enjoyed some special aunt and nephew bonding time with 10-month-old Psalm West as she kicked back in a revealing string bikini. "The circle of life," Kourtney wrote on Instagram.

In an ivory one piece and duster with rectangular sunglasses, Khloé leaned against Kylie as they snapped a quick pic during their family trip to Palm Springs.

After spritzing her body allover with her Kylie Skin SPF 30 Sunscreen Oil, the star stopped for a mirror selfie in her off-the-shoulder mocha thong bikini.

The supermodel described her obsession with this teeny-tiny bikini as a "love story" on Instagram.

The star provided no shortage of skin-baring swimsuit pics during a getaway in the Bahamas with her friends and famiy.

Sisters Kylie and Khloé were so in awe of Kendall's killer abs in this bikini pic, they both left multiple 😍 emojis in the comments.

The sistes cozied up on a luxurious yacht in swimsuits, sunglasses, hats adn headbangs as they sailed around the Caribbean.

Kylie gave the camera a seductive stare as she posed in a barely-there chocolate brown string bikini in the Bahamas.

If you go on a "Valentine's surprise getaway" but don't capture bikini content, did it even happen?

Kylie's "happy place" is in a tropical location, clad in a flame-print monokini and belly chain.

The Poosh entrepreneur soaked up the sun in Sardinia in her bright yellow bikini.

The Kylie Cosmetics mogul got cheeky in a bum-baring hot pink bikini.

"Ciao," Kourt wrote as she struck a sultry pose in the Mediterranean.

Kim proved that her daily 6 a.m. workouts really pay off as she showed off her flat abs in a triangle two piece.

The mom of three got festive on Fourth of July weekend by wearing a teeny red Inamorata Swim bikini by close friend Emily Ratajkowski's line.

Kourtney and Khloé take...Turks and Caicos! The sisters recreated their iconic Kourtney and Khloé Take Miami promo shoot during a recent Caribbean getaway.

Kylie nuzzled up to her man in a steamy snap shared on Instagram.

Taking a cue from Kylie (who wore the same swimsuit first!), Khloé lounged in the ocean wearing an animal print Onia one piece.

During her Bali vacation with husband Kanye, Kim took a dip in the pool wearing a trendy snakeskin look.

The star styled her white tee into a makeshift bikini top by tying it up and pairing it with high-rise bottoms.

After splitting from ex Tristan Thompson, Khloé flaunted her revenge body on the beach.

At this point, Kylie has mastered the art of taking stunning swimsuit mirror selfies.

Khloé's living the luxe life in a Louis Vuitton bikini top and Fendi aviator sunglasses.

Kylie gave her 1-year-old daughter Stormi a big smooch as they splashed around in the pool together on Mother's Day.

"Girls trip!" Khloé captioned a sweet beachside pic with BFF Malika Haqq and daughter True.

Like mother, like daughter! Kylie and Stormi twinned in girly pink swimwear while hanging by the pool.

Kourtney and BFF Larsa Pippen sizzled in sultry black swimsuits while taking in the sun's rays.

The supermodel kept her face concealed behind her cell phone as she snapped this mirror selfie.

Before their falling out, Kylie and Jordyn Woods always vacationed together -- and often in matching colored swimsuits!

Kourt's a multitasking mom! In between sunbathing and watching her kids take a dip in the pool, the star did some "Christmas shopping" on her laptop.

Kim jokingly captioned a bikini selfie from inside her massive handbag closet, "I need a spray tan."

Even in the most frigid temps, both Kourt and Kendall dare to wear the skimpiest swimsuits.

After a year filled with plenty of sexy swimsuit moments, Kourtney rounded out 2018 in this revealing black one piece while vacationing with ex Scott Disick, his current girlfriend Sofia Richie, and kids Mason, 9, Penelope, 6, and Reign, 4, in Cabo San Lucas, Mexico.

No Kardashian vacation is complete without a series of sexy bikini shots -- and Kourtney proved her devotion to the rule on her Italian vacation with boyfriend Younes Bendjima. The star wore a variety of looks, including this black high-cut one piece that flaunted her curves.

While Scott and the kids spent Memorial Day in St. Barts with Sofia Richie, Kourtney relaxed poolside in her backyard wearing a black bikini with Kendall and some friends.

Kourt and Kendall channeled their inner eight-year-old by playing with some serious water guns on Memorial Day.

The model basked in the sun this Memorial Day weekend at Kourtney's house in a festive red and blue sporty two piece.

Kendall doesn't let her tan line stop her from rocking a high rise black one piece and Ray-Ban sunglasses while in Cannes for the French film festival.

While Kris, Kim, Kendall and Kylie take N.Y.C. for the Met Gala, Kourt is enjoying some time off modeling in a green cutout one piece and Emporio Armani sunglasses in Lake Powell with boyfriend Younes Bendjima.