Scott Disick just posted a STEAMY throwback pic of him and Kourtney Kardashian for her birthday

Scott Disick has posted a steamy PDA throwback pic of him and Kourtney Kardashian for her birthday!

The father of three posted the pic to celebrate his exe's 37th birthday, sparking rumours (yet again) that the two have gotten BACK together...

Check out the pic below:

Happy birthday @kourtneykardash everyone who knows you loves you so much!

A photo posted by Scott Disick (@letthelordbewithyou) on Apr 18, 2016 at 2:51pm PDT

Just minutes after he posted the pic, both Kourtney and Khloe liked it.

[Photos: Getty/Instagram]