New gender- fluid trends in fashion

If two of the planet's biggest pop stars sign up for a fashion trend, you know there must be something going on. Rihanna posted a photo of herself on Instagram wearing a T-shirt by London-based fashion label Art School to her 76.8 million followers on Wednesday. Harry Styles released his video for Lights Up last month in which he wears a blue silk moire suit designed by Harris Reed, a long-time collaborator.

Art School and Harris....