Rihanna (shown performing in Monaco in July during her Diamonds World Tour) has left behind a trail of racy tweets and an incriminating Instagram photograph from a Thailand trip that led police to arrest two men for peddling protected primates. (AP Photo/Lionel Cironneau, File)

Photo by: Lionel Cironneau

Rihanna (shown performing in Monaco in July during her Diamonds World Tour) has left behind a trail of racy tweets and an incriminating Instagram photograph from a Thailand trip that led police to arrest two men for peddling protected primates. (AP Photo/Lionel Cironneau, File)