No! Say it's a set-up or a fake or something!
No, it's real - a real picture of his upcoming appearance on CSI, that is.
The picture comes from Bieber's Twitpic, which is fun to say several times out loud until the person in the next cubicle stands up and glares at you. So you wait an hour or two then walk past her cubicle and say it quietly, under your breath - biebertwitpic! - just to watch her tense up.