On ‘Blue Bloods” last day, Donnie Wahlberg becomes emotional as he makes a touching gesture with Tom Selleck.

In the police drama, the actor, who plays Danny Reagan, disclosed that the Magnum, P.I. star initially showed up in the squad room to observe his co-stars filming their final moments.

Recalling the sweet moment, Donnie told TV Insider: “The last day on the set of Blue Bloods was a lot of tears. My final day was in the squad room where Danny and Baez filmed most of their scenes and Tom Selleck doesn’t come to the squad room ever I don’t think he’s ever been in the squad room but he came that day to watch us film the last day of the show,” said the star. “And seeing him there and seeing the emotion on his face, just it, yeah, turned on the waterworks for me.”

The actor added that filming the last family dinner was “probably the single most emotional day on the Blue Bloods set in the history of the entire show”. 

Donnie has made no secret of his close bond with Tom, who plays his on-screen dad, Frank Reagan. 

Back in February, the 55-year-old told Fox News Digital that he refers to Tom as “dad’ both on and off screen. “Tom Selleck, I call him Dad. At first, he was kind of a little thrown by it for the first season or two, he’d be like, ‘Oh, hey, Donnie.’ Now it’s like, we’ve gotten so close. He’s literally like, ‘Oh, hey, son, how are you doing today?'” explained the actor. 

“It’s like we’ve just become a real family,” he added. “And it’s going to be a lot to not be with them anymore, but I’m sure we’ll stay connected after the cameras aren’t rolling.”