But he did not see the magical prank coming, especially when it was cloaked in a brilliant approach for an autograph.
The cheeky Aussie fan, with his boozy beverage placed on the boundary wall, extended his mini-bat for an autograph. Pietersen decided to oblige. He walked up to the gent, who suddenly pulled a fast one on him.
The spectator pulled back the mini-bat, picked up his glass and stepped back. The message was clear: no way mate.
KP got it even as the Aussie fans roared their approval.
VIDEO: Kevin Pietersen tricked by an Aussie fan at the Ashes