The duo has been on vacation all week with their adorable four-month-old daughter, True, Kris Jenner and Corey Gamble. Showing off her killer post baby physique, Khloé shinned in multiple bikini changes.
Tristan was surprisingly fashionable too -- probably getting some tips from KoKo's trendsetting sisters.
Wherever the group has been, it seems tropical and warm which makes us ... insanely jealous!
Guess we know which side of the fight the KarJenners are on!