The karate chop is the best part of this whole story.
This is the real Kenny Chesney:
This is the fake Kenny Chesney:
This is a picture of the fake Kenny Chesney being karate chopped:
Apparently Nathan Blankenship paid $200 for a floor ticket, but was forcibly told to leave when people started asking to take his picture. According to WKRN:
Source: wkrn.com / via: ohnotheydidnt.livejournal.com