Earlier this week, Jeremy Allen White and Molly Gordon sparked dating rumors when they were seen kissing in LA. People and TMZ both shared photos showing The Bear costars embracing and kissing while standing on a street.

Jeremy Allen White, who portrays Carmy, was recently spotted kissing Molly Gordon – who portrays his character’s co-star, Claire. Neither actor has confirmed any sort of romantic relationship, as of this writing.

A source tells PEOPLE the romance between the costars has been building for awhile after they were spotted kissing in L.A. on Sept. 25