Mark Wahlberg left little to the imagination as he enjoyed the warm Miami weather on the balcony of his South Beach hotel  yesterday. 

OK! GALLERY: MARK WAHLBERG SMOOCHES WIFE RHEA DURHAM AT A PARK IN BEVERLY HILLS! 

The actor was shirtless as he waved to fans, showing off his incredible body... complete with abs and biceps. 

OK! NEWS: MARK WAHLBERG REVEALS HIS FILM WITH JUSTIN BIEBER IS ON THE WAY 

Mark is in town filming the new Michael Bay movie Pain and Gain, in which he plays a bodybuilder alongside Dwayne "The Rock" Johnson, who gets caught up in a kidnapping scheme that goes terribly wrong. No wonder Marky Mark looks so buff!