Now this is the kind of battle we like to see!
But of the two of them, who wore it better?! Decide for yourself as you ch-ch-check out the two hotties (below) and then vote in our poll!
First up, Jessica rocked the monokini on a yacht this week, posting this pic to her Instagram account on Friday evening:
Yacht Life #FBF @jacquieaiche @agentprovocateurofficial ├░┼╕ΓÇ£┬╖ @kristingramA photo posted by Jessica Simpson (@jessicasimpson) on Jul 24, 2015 at 3:59pm PDT
But don’t forget Kylie’s sexy bikini selfie from last week! The reality star wrapped herself up in the same monokini for a very eye-poppin’ selfie:
├░┼╕┬É┬¼├░┼╕┬É┬│├░┼╕ΓÇÖ┬ª├░┼╕ΓÇÖΓäó├░┼╕ΓÇÖ┼╜A photo posted by King Kylie (@kyliejenner) on Jul 19, 2015 at 3:49pm PDT
So we want to know — who wore it better, Kylie or Jessica?!
Vote in our poll here and let us know what U think in the comments below!