Another said: "People walking past James Blunt, to see James Blunt... definitely a @Specsavers moment.".
It is, of course, You're Beautiful singer James Blunt, 50, whose ability to blend into a crowd saves him the logistical nightmares of some of his pop peers.
Despite a successful music career, James describes the pub, which dates back to 1846, as “the best thing I’ve ever done”.
One Brit Award-winning songwriter made as low-key an arrival as it's possible to do when he took the tube to his sold out arena show at London's O2.
It was enough to fool members of the public who rode with him on the tube as well as passers-by making their way into the venue, despite him posing with his own gig poster outside the arena entrance.
