Caitlin O'Connor

Joe Manganiello and fiancée Caitlin O’Connor are leveling up after their engagement -- ditching L.A. and settling into a slower life ... all because they’ve got babies on the brain. Sources close to the couple tell TMZ Joe and Caitlin packed up for their native Pittsburgh ... officially…

Joe Manganiello's going to be starting a new phase in his life pretty soon ... because he just announced his engagement to his fiancée Caitlin O'Connor! The performer and the actress had only dated for a few years before he decided to pop the big question ... hey, when you know, you know! We're…