Mark Wahlberg is looking almost unrecognizable on the set of his latest movie. 

The 49-year-old actor, who is known for his burly physique, put on 20 pounds in just six weeks for his role in “Stu”. 

Mark Wahlberg
Mark Wahlberg — Photo: Backgrid

Wahlberg was spotted wearing a prosthetic chin and a fat suit while filming scenes for the movie in Los Angeles on Friday. 

Mel Gibson also stars in the biopic, which centres on boxer-tuned-priest Father Stuart Long. 

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Mark Wahlberg
Mark Wahlberg — Photo: Backgrid

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Wahlberg previously shared photos documenting his weight gain on Instagram. 

The “Departed” star thanked his personal chef, Lawrence Duran, for helping him to achieve the transformation. 

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Duran told E! News that Wahlberg is eating “eight meals a day at about 7,000 calories” and is under the supervision of a physician and a nutritionist.