Michael Johns "F**ks" Up His Career

6/24/2008 2:45 PM PDT BY TMZ STAFF
All it took was a couple of F-bombs to make American Idol reject Michael Johns totally likable.

The Aussie wannabeen was pulled out of the crowd and onto the stage at a Dan Band concert (the foulmouthed wedding singers from "Old School"), and finally gave a performance worth watching.

At least he's not in a balloon festival yet ...