Tubby Tom Selleck was recently caught on camera looking bloated, bruised and bushed at a fast-food drive-thru in California – and loved ones fear the blubbery Blue Bloods alum is running out of time to ditch the unhealthy habits that threaten to send him to an early grave, RadarOnline.com can reveal.

Selleck, 81, had bulked up big-time after CBS axed his cop show in 2024, ending its 14-year run. But by October 2025, he appeared to have slimmed down – with sources crediting his doting wife, 68-year-old Jillie Mack, for inspiring him to change his ways.

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But insiders told RadarOnline.com the star has gone off the rails – again.

“Tom was going so well. He lost 15 pounds or so by cutting back on those grease binges. But now that willpower seems to have flown out the window,” an insider said.

“He’s back on the junk in a big way – so, of course, the weight’s piling on again. Tom’s mobility is still a major issue, too. Most of the time he’s staggering around in chronic pain due to his bad back and creaking knees, which have been the bane of his life for years. But what’s even more alarming is how low his spirits are.”

According to the insider, Selleck had “put his heart and soul into mounting a comeback,” adding he still “has this dream” that Blue Bloods will get “some Hail Mary type of revival.”