Ed Sheeran sure knows how to build anticipation - the singer is planning his comeback with a series of cryptic social media messages.

On New Year's Day, the pop star posted a short video clip to Twitter simply announcing that new music was on its way this Friday, January 6th.

Now, he has hinted at the album's title - possibly '÷' (Divide), or '-' (Subtract) - with another Twitter teaser. The title would certainly fit with the maths-related titles of his previous two albums, + (plus) and x (multiply).

In any case, we'll be hearing new music when it drops at 5am GMT on Friday. Set yisser alarms early if you're a fan.

Needless to say, there were a few smart alecs who had something to say: