Kourtney Kardashian and Travis Barker want everyone to know they are still very much into each other … and seem to have a preferred PDA pose.

The reality TV star and the rock star found a new spot to hold each other and make out — Travis’ at-home music studio — and Kourtney documented the occasion … adding heart and fire emojis for extra measure.

The pics are reminiscent of the steamy shots of the couple kissing in the desert a couple months ago … the main difference being that Kourtney’s ass is much less visible.

There is one other difference too — for this round of Kourtney & Travis PDA … it seems Machine Gun Kelly was an innocent bystander.

In the second pic Kourtney posted, fans noticed the singer’s in the background in a recording booth … possibly laying down some new music. Now, he and Barker are buddies, but ya gotta wonder if MGK consented to bearing witness to their hookup.

BTW — Travis replied to Kourtney’s post with “My baby” … along with his own heart and fire emojis.