The mystery surrounding Aaron Rodgers' marital status continues ... 'cause the free agent quarterback was spotted having a blast at the Mike. concert over the weekend -- all while once again rocking a ring on THAT finger.
The four-time MVP supported his longtime friend at his tour stop in Austin ... and at some point in the set, AR12 got his hands on a water gun.
Launch Gallery Launch Gallery GettyThe singer/rapper documented the shenanigans in a video for his Instagram followers .