Phillip Phillips isn't feeling jiffy these days, because someone brazenly stole his prized bike ... and it was all caught on video.
The "American Idol" winner went to a Burbank recording studio Tuesday night and his crew unloaded some equipment ... but left some outside the building in what they thought was a secure area. Hours later, a prowler lurked, spotted the $800 GT mountain bike and pedaled away.
The thief probably didn't know his every move was captured on video, but there's a problem. The video is so dark it's almost impossible to ID the culprit.
If you see a suspicious man on a fancy bike, call the police immediately.