US pop sensation Justin Bieber has come under attack, from flying eggs.

The teen superstar was performing at Sydney's Acer Arena on Friday night, when six of eggs were launched from the crowd.

It would seem though that thousands of die-hard screaming fans were not enough to deter the egg-thrower.

A helper quickly cleaned up the mess, before the show went on.

What would you do to the egg thrower(s)? What would be their reward/punishment? Leave it in the comments below.