Mark Wahlberg gave fans a glimpse of his impressive physique on Instagram early Thursday morning, Dec. 26, after a festive Christmas celebration with his family the day before.

The "Ted" star didn't skip a beat, sharing his dedication to fitness after he also kicked off Christmas morning with an intense workout before diving into the holiday festivities.

Known for his longtime commitment to early morning exercise, Mark Wahlberg has often been outspoken about the critical role physical fitness plays in maintaining overall health and promoting longevity.

Sporting navy shorts and showing off his well-defined abs, the actor delivered his message with unwavering determination. "It's 4 a.m. rain or shine. It's raining outside — we're still going to dive," Wahlberg said in the video, taken just after he got out of the locker room shower.

"Nothing like a cold plunge in the rain. @thecoldlife @municipal. 4am club," Wahlberg wrote in the accompanying caption.

This Christmas, the "Father Stu" actor celebrated the holiday surrounded by his loved ones, including his wife Rhea Durham and their four children: Ella, 21, Michael, 18, Brendan, 16, and Grace, 14.

"That's how we do it, warrior status," wrote another.

"4am despite Christmas dinner last night, props to you," said a third as someone else chimed in: "I love that he doesn't care, he just pumps their hands."

The "Daddy's House" actor spoke last year. People Magazine about how his gym routine has evolved over the years.

"I'm starting to realize that I'm 51, I have to stay in my lane and know that I don't have to try to outdo everybody or outdo everybody," he told the outlet. "I just have to push myself a little bit more and keep trying to get as much out of this beautiful life as I can."

Wahlberg revealed he's "getting more results" with his updated approach to fitness and highlighted the "smart tips" he now follows during every workout to maximize his efforts.

"I'm targeting muscle groups. I don't need to lift as heavy, but I need to have better form, a longer grip and a longer grip," he added. "I just wish I had listened to the people who were trying to tell me these things and give me that advice 20 years ago."

Part of what drives Wahlberg's dedication to exercise is the need to stay in top shape for his film roles.

"It kind of dictated what I did and how I approached the next four or five months every year for the last 20 years or so," he said. People. "I mean, I've fluctuated my weight from 215 lbs. to 137 lbs., which is pretty extreme."

Aside from preparing for film roles, Wahlberg says the motivation he provides to others is another key factor that keeps him committed to his fitness journey.

"I've gotten to the point where I rely on it just to be able to get up and conquer my day as a dad and a businessman," Wahlberg later told the magazine. "I'm just motivated to keep trying to inspire people and use those talents and gifts that I've been given for whatever specific reason those gifts were given to me."

"Obviously, my faith, my family and my fitness are the things that everything revolves around," the "We Own The Night" actor added. "I'm just trying to train smarter."