Jet-Setting
Kim's bestie Tracy Romulus shared a sneak peek inside the private plane Kim chartered for the trip.
Air KKW
The posh plane is fit for kings and queens!
Game Time
During the flight, Kendall and Kourtney play Uno with a group of friends.
Passing the Time
La La Anthony kicks back while chatting with friends in the air.
Cocktail Time
Tristan Thompson and Corey Gamble grab drinks at the fully stocked bar.
All in the Details
The napkins aboard the flight read, "Kim 40."
Dip in the Water
"jelly got me," Kendall wrote on Instagram.
Model Moment
Kendall looked breathtaking while posing in crystal clear water.
Color Coordinated
The supermodel matched the water in her striking blue-green bathing suit.
Selfie Squad
Kourtney simply captioned this photo, "selfie selfie"
Parental Pals
Co-parents Kourtney and Scott smiled bright while on a bike ride.
Kayaking Khloe
Alongside this kayaking pic, Khloe wrote, "At Peace".
Fun in the Sun
Kim shared on Instagram, "Girls just wanna have sun."
Night Swim Squad
The birthday girl captioned a series of photos, "Night Swim".
The Best Week
Kourtney said online, "my sisters birthday!!(and the best week of my life)"
Kourtney and Kim Take the Ocean
The Kardashian sisters splashed about during a night swim.
A Memorable Moment
Kourtney and Kim beamed as they enjoyed the ocean at night.
All Together Now
Kim and company jumped into the crystal clear water.
Dunked
The birthday girl was pulled into the water by gal pal Steph Shepherd.
Total Vibes
Another candid moment from Kim and Kourtney.
Stunning, But Soaked
Kim channeled her 2019 Met Gala look with this snap.
Always Camera Ready
Kim seemed totally unbothered after a fun night swim.
Smile Bright
Kim couldn't be happier while celebrating her milestone birthday.