Charlie Hunnam [1] and Robert Pattinson [2] were spotted on the set of their new movie, The Lost City of Z, in Belfast, Northern Ireland, on Saturday. Charlie was wearing a hat, and his mustache was on display as he walked through the set. Meanwhile, a bearded Rob wore glasses, making himself nearly unrecognizable. The pair have been busy filming their new movie over the past few weeks, and Charlie recently shared a sweet moment with fans [3] who were hoping for a glimpse of the stars. Wish you were in the area for a possible sighting? Well, that dream was a reality for one very lucky fan who recently managed to snap a picture with Charlie and Rob [4] while out and about in Northern Ireland. Keep reading to see all the best pictures of Charlie and Rob on set, then check out Charlie's sexiest smirks [5]!