Watch Justin Bieber On CSI: Should He Ditch Singing For Acting? VIDEO

Justin Bieber on CSI: How did he do?

First, the bad news: When Justin Bieber appeared on “CSI” last night, he did not cut his hair. For some reason I’d been hopeful. And his acting mostly consists of looking like he ate a mildly hot batch of salsa. But the good news is that you can judge for yourself!

Here is some video of Bieber’s acting debut on “CSI” last night. Did the teenage heartthrob acquit himself well enough to earn, say, a cameo in the next “Twilight?” Or should he keep his day job of making teenage girls swoon?

Click on to decide.