Perhaps it's a homage to the late, great Shirley Temple: ringlets have been rearing their twirly heads on the red carpet of late. Witness the usually-sleekly-styled Gwyneth Paltrow (above), along with Brit it-girl Laura Whitmore (below left) and Selena Gomez, whose hairstylist coiled her ponytail to super-pretty effect. "For years, we've held tongs horizontally, which creates those…