United Kingdom, March 22 -- Channing Tatum "won't be doing anymore fat roles".

The 44-year-old actor has taken to social media to reveal the physical transformation he's made for 'Josephine', an upcoming thriller film, and Channing has confirmed that he doesn't intend to pile on the pounds for any future film roles.

Alongside a series of topless selfies, Channing wrote on Instagram: "We back up! lol. 1st photo is today 205. 2nd photo 235 for a movie called Josephine. Then went to 3rd photo which is 172 for a movie Roofman. I'm so grateful for my genetics. Grateful for my chef/nutritionist/witch. Grateful for my trainer. I couldn't make these big swings in my weight without you guys. But i won't be doing anymore fat roles haha. It's to h...