The 41-year-old actor was joined by his co-star Denzel Washington.
The day before, Mark were spotted doing some shopping at Bristol Farms in Beverly Hills.
“Mark could pound chicken very good. He ate nine meals a day, he gained 40 pounds, he’s like a machine. He told me, ‘Week two is going to be my peak so get all your beauty shots week two, week three, ’cause then I got to lose 40 pounds and go on a Denzel movie next,’” Pain & Gain director Michael Bay recently shared.
20+ pictures inside of Mark Wahlberg and Denzel Washington promoting 2 Guns… More Here! »