Which early noughties popstar’s buff body is this?

An early noughties popstar has just posted this super buff selfie on Instagram…

… but who is he? Here’s a clue: he had rather a lot of all-singing, all-dancing mates back in the day (from 1998 to 2002, roughly).

Leave your answers in the comments box below and we’ll let you know the answer tomorrow (May 10).