At Paris Fashion Week all three houses offered exhilarating collections that were a heady exploration of creative unsettling.
Rihanna's second collection for Puma merged the worlds of 18th-century French fashion and current gender-fluid street style.
Advertising technology firm Pixability found brand-generated digital content is falling behind the content produced by individual creators.
The brand has launched an e-commerce site with plans to open its first store in Los Angeles in April, followed by a shop in New York in the summer.
The singer and underwear model was joined by Korean pop star Jay Park as well as fellow Calvin Klein face Kendall Jenner.
The collaboration with Swedish firm Teenage Engineering is the H&M-owned brand’s first outside ready-to-wear.