The “Instant Family” actor was once known as Marky Mark and appeared in a famous 1992 campaign for Calvin Klein. He was ripped and young. Now, he's shredded and 48, crediting a 45-day training challenge with no wine for his six-pack abs and bulging muscles in a photo he shared on Instagram.

How many times a day does Mark Wahlberg workout? According to recent Instagram chats and interviews, Wahlberg often works out twice a day and eats approximately 6-7 meals a day.

"It was a lot of work. A lot of getting up at 2 in the morning to eat another meal and I was still full from the meal at 10 o'clock." The hard work paid off though, as according to Muscle & Strength, Wahlberg now benches 335 pounds