Last month he hosted a rally for Pope Francis.

And Mark Wahlberg answers a lot of people's prayers himself by going shirtless in the new trailer for his forthcoming movie Daddy's Home.

The hunky actor, 44, is seen baring his bulging biceps and pecs as strips off and performs impressive pull-ups in the clip.

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Beefy: Mark Wahlberg goes shirtless in the new trailer for his forthcoming movie Daddy's Home

The buff star has grown his hair longer and sports a little facial hair in the film - in which he plays the macho ex of Will Ferrell's wife.

Naturally this leads normally mild-mannered radio executive Will to undertake a series of hilarious comic capers to compete with the biological father of her children - of whom he is devoted step-father.

Will - who pays Brad - and Mark, who plays Dusty, previously teamed up for The Other Guys in 2010 ahead of being reunited as the rivals in the comedy, which is due for release on Christmas Day.

Muscle-man: The hunky actor, 44, is seen baring his bulging biceps and pecs as strips off and performs impressive pull-ups in the clip

Still would: The buff star has grown his hair longer and sports a little facial hair in the film

Awkward: He plays the macho ex of Will Ferrell's wife and father of her children

Linda Cardellini also stars in the film as Brad‘s wife.

Muscle man Mark has never exactly been shy of showing off his buff physique and recently impressed chat show host Ellen DeGeneres when he also completed 22 pull-ups in 30 seconds on her show.

The good looking former Marky Mark and the Funky Bunch musician raised $20,000 for Breast Cancer Awareness by accepting the challenge.

Opposites attract: Will - who pays Brad - and Mark, who plays Dusty, previously teamed up for The Other Guys in 2010 ahead of being reunited as rivals in the comedy

Something for the mums: The family comedy is due for release on Christmas Day

Baggage: Normally mild-mannered radio executive Will is faced with his wife's hunky ex husband, played by Mark

The Entourage star is a parent in real life to two sons and two daughters with wife Rhea Durham.

The Catholic actor was seen as an unorthodox choice of MC last month in Philadelphia, introducing performances by Aretha Franklin and The Fray to Pope Francis and the 300,000-strong crowd.

On that occasion he decided to wear a suit and tie to greet the Pontiff, although he did end up making headlines by plugging his movie Ted 2, when he joked that he hoped the Lord himself would forgive him for making the film, which features a foul-mouthed sentient teddy bear

Laughs: Will undertakes a series of hilarious comic capers to compete with the biological father of her children - of whom he is devoted step-father