Kendall Jenner and Kourtney Kardashian host bikini-clad Memorial Day party for girlfriends

Kourtney Kardashian and Kendall Jenner had quite the Memorial Day!

The sisters hosted "Kamp Kourtndall" for their girlfriends on the Monday holiday, during which the bikini-clad bunch soaked up the sun during a variety of fun activities.

After a morning tea tasting, the crew participated in a group workout session, had a water-gun fight, played Uno and tanned by Kourtney's picturesque pool. Kylie Jenner's best friend, Jordyn Woods, was there, as were Sarah Howard and music duo Simi and Haze.

Kendall and Kourtney shared a slew of photos from the fun-filled day, for which Kourtney rocked a teeny hot pink string bikini and Kendall donned a high-cut blue-and-red two-piece and her signature tiny shades.

Also there? Kendall's fierce looking Doberman Pinscher pup, who she posed alongside on a poolside lounge chair.

See photos from Kendall and Kourtney's Memorial Day celebration in the gallery below:

Celeb summer beach bods 2018
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Celeb summer beach bods 2018
Couldn't make up mind... hair up or down??? ๐Ÿ‘ ๐Ÿ‘ ๐Ÿ‘ ๐Ÿ‘ ๐Ÿ‘ ๐Ÿ‘  ๐Ÿ“ท: @fiacuzziphotography
Iโ€™m like goddamn bitch, I am not a teen choice #20
Resting on the boat and counting down the days until #TheButterflyReturns comes back to Vegas! See you 8.31 ๐Ÿ˜Ž๐Ÿฆ‹๐ŸŽ™๏ธ(link in bio)
#nofilter #noretouching
Double trouble at the pool ๐Ÿ‘ถ๐Ÿ‘ถ #3monthsold #firstswim
donโ€™t be shady, be a ladyโ˜€๏ธ
Happy 4th of July Americaโ€ผ๏ธ๐Ÿ’ฅ๐Ÿ‡บ๐Ÿ‡ธ I remember when I took this picture I had just lost 60lbs and felt great about myself. Iโ€™m still proud of this pic and myself for coming so far. Regardless if I gained a few pounds back Iโ€™m still beautimess! #LoveYourself #LoveYourSize #WereAllBeautiful #MamaJune #fromnottohot๐Ÿ”ฅ
in my leisure suite
Good Morning ๐Ÿ’› VOGUE MEXICO ๐Ÿ–ค BY @CHRISCOLLS ๐Ÿ–ค @VALECOLLADO ๐Ÿ–ค ๐Ÿ”“๐Ÿ”“๐Ÿ”“
Sweet Sunrise ๐ŸŒ…๐Ÿค“
Mermaids donโ€™t lost sleep over the opinion of shrimp...โœจ๐Ÿš๐Ÿงœ๐Ÿผโ€โ™€๏ธ๐Ÿšโœจ
Getting into this Bali vibe like...๐Ÿ™๐Ÿป #JennerIsland #weddingsoon #beachyoga
Nice view from my suite in Seminyak ๐Ÿ™ŒGot a little sun today! ๐Ÿ˜‰๐Ÿค—
Me and Pres having a chill day at our favorite spot in Miami! ๐ŸŽจ๐Ÿ’๐Ÿ‡๐ŸŽ๐ŸŒธ๐ŸŒผโ˜˜๏ธ๐Ÿ€๐Ÿ ๐Ÿฏ๐Ÿญ๐Ÿ‘™๐Ÿ‘—๐Ÿ‘ก
#SurferChick ๐Ÿ„๐Ÿผโ€โ™€๏ธ
Thereโ€™s a million fish in the sea. But Iโ€™m a Mermaid... โœจ๐Ÿงœ๐Ÿผโ€โ™€๏ธโœจ
This is not a paid ad, just a recommendation. I wanted to share that I tried @docblocksun sunscreen and Iโ€™m slightly obsessed. #worthsharingtuesday
@diffeyewear ๐Ÿ‘๐Ÿ•ถ
#Maldives @elizabethhurleybeach #oliviabikini
Names Buck
kamp kourtndall
Hey Everybody you good? Cold & Rain makes me miss #paradise. @capmaison come rescue me!
low key
This weekend w my family & friends was the perfect way to kick off summer!!!โ˜€๏ธ๐Ÿ‘™๐Ÿ‡บ๐Ÿ‡ธ . . . . #summer #boating #memorialdayweekend #sun #fun #bikini #rhony #countessandfriends
Hrush cropped Larsa out
cute but sheโ€™ll rip your face off
two is company
Morning view ๐Ÿ•
Summer vibes! ๐Ÿ‘™ ๐Ÿ˜Žโ˜€๏ธ @CALIAbyCarrie
Dreamsicle ๐Ÿฆ for @inamorataswim by @livincool
I think Iโ€™m buying a house here ๐Ÿ˜
Finding Paradise wherever I go...๐Ÿ๐Ÿ‘ฑ๐Ÿปโ€โ™€๏ธ๐Ÿ‘™โ˜€๏ธ
Sunday fun day
@harryhudson with the portrait mode! happy Memorial Day! โค๏ธBathing suit: @fashionnova
Filthy fangs ๐Ÿ˜๐Ÿ˜๐Ÿ˜
Barbie in #Paradise. ๐Ÿ’•๐Ÿ’•๐Ÿ‘ฑ๐Ÿปโ€โ™€๏ธ๐Ÿ’•๐Ÿ’•

Notably not in attendance were the rest of the Kardashian-Jenner sisters. New mom Khloe Kardashian was at home in Cleveland with newborn daughter, True, while Kim and her family were in Wyoming, where husband Kanye West has been recording his upcoming albums. Kylie was at the NBA Finals with boyfriend Travis Scott.

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