Lily Allen has admitted that she broke down in tears for a staggering "90 minutes" recently, after emotionally saying farewell to her daughters as they headed to a month-long summer camp in the US.The singer confessed that her emotional outburst left her A-lister husband David Harbour "quite concerned" after she said goodbye to her daughters, Ethel, 12, and Marnie, 11, after a hectic travel day. Lily opened up about her teary ordeal on her podcast Miss Me? with co-host Miquita Oliver.The 39-year-old began by explaining that chaos from an unforeseen travel disruption, caused by a global IT issue, heightened her emotions and sparked her tearful display on the day.