Grinding on each other at Kendall Jenner's birthday party and now going halfsies on a birthday gift for Diddy??
If that isn't enough evidence for you to believe that Khloe Kardashian and French Montana are back together, we don't know what else to tell you!
While these two admitted to being friendly exes, it's clear to see the spark is back for KoKo and French!
[ Related: Khloe & French Are SO On After Doing THIS At Kendall's Party! ]
Besides, you don't go in on a joint birthday gift unless you're dating that person whose name is next to yours on the tag OR you forgot about the birthday friend's…well, birthday!
We're going to go with the former since Khloe doesn't strike us as someone who'd forget a huge milestone such as Diddy's 45th birthday!
According to an insider, they revealed Khloe and French wanted to give back to Diddy and buy him a car!
Tags: back together, birthday party, car, diddy, french montana, instagram, khloe kardashian, love line, party poppin', pda, relationship, surprise