Sylvester Stallone's stress levels soared on the set of Tulsa King as he begged fans to "excuse the language" in an emotional post from the set of Tulsa King. "I think I swallowed my moustache!" he exclaimed while his makeup artist burst into peals of hysterical laughter, interrupting his long-awaited chance to play a gangster for the first time in 50 years.Warning fans of a "serious dilemma" behind the scenes of the movie, he explained that he had been wearing a fake beard in a bid to channel a man who had spent 25 years in prison.However, the illusion of his character dissolved when he slipped it off to eat lunch and realised afterwards that it was nowhere to be found."I'm going through the f*****g trash, and if it's in here, we're definitely not going to salvage it," Sylvester exclaimed as he rummaged through a bin filled with discarded food."I didn't eat anything that hairy!" he swore solemnly while addressing the camera in a tongue-in-cheek moment."It's gone and it's nowhere to be seen.