Kim Zolciak and Kroy Biermann had a good weekend -- they were chowing down and looking awfully cozy during their 12-year anniversary ... even though they're getting divorced.
The ex-'RHOA' star was documenting all the festivities on IG, including a pit stop to one of Morgan Wallen's shows in Atlanta ... and a one-on-one dinner she shared with her estranged hubby at an Italian joint in nearby Smyrna, GA -- which was romantic as hell.
Take a look for yourself .