Billy Gardell gets to show off the results of his remarkable weight loss on the fifth and final ... that he lost over 150 pounds in three years, after weighing over 370 pounds ten years ago.

He was diagnosed with Type 2 diabetes before the COVID ... Mike & Molly' star Billy Gardell jokes he still battles 'fat guy in there' after 170-pound weight loss ...

Gardell has lost some 150 pounds since he underwent bariatric surgery in 2021, but maintaining his weight loss has been challenging. Billy Gardell chats with ET’s Denny Directo about his weight ...