Trigger warning: this article contains discussion of disordered eating some readers may find distressing.Demi Lovato hit the headlines over the weekend after calling out Los Angeles frozen yoghurt shop The Bigg Chill on Instagram for having “tons of sugar free cookies/other diet foods” on display.The singer, who has been open about her battle with disordered eating since rising to fame, said that her experience was “triggering” and later shared DMs she’d sent and received to staff at the store.