Charlie Hunnam [1] was spotted hanging out with friends and smoking hookah at a restaurant in London on Wednesday night, smiling and chatting while he sat with the group. At one point, the actor stopped to pose for a few pictures with fans, grinning for a selfie. Charlie's night out comes during a busy time, as he's been having a blast filming Knights of the Roundtable [2]. Director Guy Ritchie [3] has posted plenty of behind-the-scenes pictures, and Charlie was also seen wielding a giant sword [4] on set. Keep reading to see more pictures of Charlie Hunnam's night in London, then check out things you may not know about him [5] plus a guide to Charlie's hot and hilarious facial expressions [6].