Scott Disick loves Kourtney Kardashian — and he doesn't care who knows it!

The 32-year-old took to Instagram on Monday to wish his baby mama a happy birthday, posting a throwback photo of the pair kissing during their years-long romance.

"Happy birthday @kourtneykardash everyone who knows you loves you so much," he captioned a snap of the former couple kissing, taken back in 2009.