Justin Bieber Throws Up On Stage [VIDEO]

Finally disgusted by his own music?

This weekend while performing in Arizona, Justin Bieber lost his lunch on stage while performing.  He tossed his cookies, so to speak, blaming the incident on a glass of milk he drank offstage.  He tweeted the infamous Will Farrell line from "Anchorman," "Milk was a bad choice."  Watch Bieber upchuck below!