Mark Wahlberg is consuming 'eight meals a day at about 7,000 calories' to gain weight for film

12 Eggs, 8 Meals & More Than 7,000 Calories: Here's Exactly How Mark Wahlberg Gained 20 Pounds in 3 Weeks

Mark Wahlberg and More Stars Who Underwent Drastic Physical Transformations For a Role

Mark Wahlberg Says He's Gained 20 Pounds, Posts Shirtless Photos 3 Weeks Apart