Photo: Mark Wahlberg/InstagramWhile you were sleeping,Mark Wahlbergwas working out.TheMe Timestar, 51, shared a bit of his early-morning conditioning routine onInstagramFriday, posting a video of himself doing ab work.“GOD DID🙏 stay prayed up❤️ @ performinspired nutrition🔥4 am club is back,” Wahlberg captioned the post.“Mark, how long have you been here?” an off-camera voice asks the actor, while he is mid-crunch.Wahlberg grunts, then says, “4 a.m.,” before his companion pans the camera to a window and says, “It’s not even light outside.“Wahlberg’s workout drew praise from former pro athletes including Caron Butler and Julian Edelman, who were among the commenters, offering hand-clapping and goat emojis.The avid fitness buff, who is co-founder of Performance Inspired Nutrition and an investor in the popular fitness regimenF45 Training, makes no secret of his dedication, regularly offering glimpses of his workouts on Instagram.Mark Wahlberg/InstagramEarlier this year, he posted a video of himself shirtless, showing the spoils of his early-morning routines.“Had to whisper to not upset my wife for not wearing a shirt. 😬,” Wahlberg joked in the caption, referencing a quiet voice he uses in the video.The actor says it’s been a challenge for him to put on weight for roles.In an appearance on Australian radio showKyle & Jackie Oin February, he opened up about his “difficult” experience gaining weight for his role as a boxer-turned-priest inFather Stu.When hosts Kyle Sandilands and Jackie ‘O’ Henderson asked Wahlberg whether it was easier to lose weight or gain weight for a role, he admitted, “I would say it’s easier to stay in shape than it is to get in shape.“Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories.“I put on 30 lbs. … that was really difficult,” he said. “I’m not getting younger.”

Photo: Mark Wahlberg/Instagram

Mark Wahlberg

While you were sleeping,Mark Wahlbergwas working out.TheMe Timestar, 51, shared a bit of his early-morning conditioning routine onInstagramFriday, posting a video of himself doing ab work.“GOD DID🙏 stay prayed up❤️ @ performinspired nutrition🔥4 am club is back,” Wahlberg captioned the post.“Mark, how long have you been here?” an off-camera voice asks the actor, while he is mid-crunch.Wahlberg grunts, then says, “4 a.m.,” before his companion pans the camera to a window and says, “It’s not even light outside.“Wahlberg’s workout drew praise from former pro athletes including Caron Butler and Julian Edelman, who were among the commenters, offering hand-clapping and goat emojis.The avid fitness buff, who is co-founder of Performance Inspired Nutrition and an investor in the popular fitness regimenF45 Training, makes no secret of his dedication, regularly offering glimpses of his workouts on Instagram.Mark Wahlberg/InstagramEarlier this year, he posted a video of himself shirtless, showing the spoils of his early-morning routines.“Had to whisper to not upset my wife for not wearing a shirt. 😬,” Wahlberg joked in the caption, referencing a quiet voice he uses in the video.The actor says it’s been a challenge for him to put on weight for roles.In an appearance on Australian radio showKyle & Jackie Oin February, he opened up about his “difficult” experience gaining weight for his role as a boxer-turned-priest inFather Stu.When hosts Kyle Sandilands and Jackie ‘O’ Henderson asked Wahlberg whether it was easier to lose weight or gain weight for a role, he admitted, “I would say it’s easier to stay in shape than it is to get in shape.“Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories.“I put on 30 lbs. … that was really difficult,” he said. “I’m not getting younger.”

While you were sleeping,Mark Wahlbergwas working out.

TheMe Timestar, 51, shared a bit of his early-morning conditioning routine onInstagramFriday, posting a video of himself doing ab work.

“GOD DID🙏 stay prayed up❤️ @ performinspired nutrition🔥4 am club is back,” Wahlberg captioned the post.

“Mark, how long have you been here?” an off-camera voice asks the actor, while he is mid-crunch.

Wahlberg grunts, then says, “4 a.m.,” before his companion pans the camera to a window and says, “It’s not even light outside.”

Wahlberg’s workout drew praise from former pro athletes including Caron Butler and Julian Edelman, who were among the commenters, offering hand-clapping and goat emojis.

The avid fitness buff, who is co-founder of Performance Inspired Nutrition and an investor in the popular fitness regimenF45 Training, makes no secret of his dedication, regularly offering glimpses of his workouts on Instagram.

Mark Wahlberg/Instagram

Mark Wahlberg

Earlier this year, he posted a video of himself shirtless, showing the spoils of his early-morning routines.

“Had to whisper to not upset my wife for not wearing a shirt. 😬,” Wahlberg joked in the caption, referencing a quiet voice he uses in the video.

The actor says it’s been a challenge for him to put on weight for roles.

In an appearance on Australian radio showKyle & Jackie Oin February, he opened up about his “difficult” experience gaining weight for his role as a boxer-turned-priest inFather Stu.

When hosts Kyle Sandilands and Jackie ‘O’ Henderson asked Wahlberg whether it was easier to lose weight or gain weight for a role, he admitted, “I would say it’s easier to stay in shape than it is to get in shape.”

Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories.

“I put on 30 lbs. … that was really difficult,” he said. “I’m not getting younger.”

source: people.com