It looks like Rihanna's new motto is gray today, gone tomorrow. After opting for a shocking gray ombré job earlier this Summer, Rihanna swiftly decided to change things up . . . again. The actress debuted a shorter, Jheri-curled style on her Instagram yesterday, which might be just as shocking as gray. At this point, we've come to expect drastic hair changes from style chameleon Rihanna, but has she successfully brought back the Jheri curl?