So an actor had a birthday. Not even a milestone birthday, like 50. Not even a round number. He turned 38. Big deal, right?

Except we all know things are a little bit different in the world of Benedict Cumberbatch – and after all, thousands of fans can't be wrong, can they...?

#HappyBirthdayBenedictCumberbatch was trending on Twitter – in the UK and around the world – today as the Sherlock star notched up another year on the planet.

Fans celebrated by donating tens of thousands of pounds to charities (including The Prince's Trust via a page set up by fan forum Cumberbatchweb) and, of course, by posting stuff like this...