Google+ best practice — Search by Image of suspicious photos

You’re being circled by someone too pretty/handsome to be true?
Use the Search by Image feature of Google or even better, install the Chrome Extension to perform the look-up with a simple contextual click.

Drag and drop the suspicious portrait in the “Search by Image” to locate similar photos on the web which may help you find out who the image does actually represent.

Make an experiment with that “model