To the uninitiated, it may seem like lovers of high fashion are getting up earlier these days. But the plethora of designer paper bags seen on the bus in the mornings often do not contain purchases from Chanel or Prada – but commuters’ packed lunches. Kendall Jenner and Kim Kardashian attend the Balenciaga Fall 24 Show earlier this month in Los Angeles, California. Photograph: Stefanie Keenan/Getty Images for Balenciaga The trend brings a whole new meaning to the term “designer bag”, with even Birkin-loving Kim Kardashian seen clutching one at Balenciaga’s show in Los Angeles this week. On resale sites...