The “Bloody Valentine” crooner, 30, posted a mirror selfie of him and Fox, 34, sticking out their tongues with their arms wrapped around each other on his Instagram and wrote, “waited for eternity to find you again … 🔪💫❤️🔪.”

The geotag is “The Universe,” a callback to the couple’s interview in which the former “Transformers” actress admitted she thought Kelly was her “twin flame” the moment she met him on the set of their forthcoming movie, “Midnight in the Switchgrass.”

“Instead of a soul mate, a twin flame is actually where a soul has like ascended into a high enough level that it can be split into two different bodies at the same time,” she explained. “So we’re actually two halves of the same soul, I think. And I said that to him almost immediately, because I felt it right away.”

Fox and Kelly got together following her split from now-estranged husband Brian Austin Green.