By Caroline Gaspich & Jamie Roberts Grimes has issued an apology to her fans following a chaotic performance at Coachella, pleading with them to ‘please forgive me’. The singer experienced what many performers would describe as their worst nightmare – a set plagued by technical difficulties that left thousands of festival-goers disappointed. The first half of the set went smoothly, but by the second half, everything had descended into chaos due to numerous equipment malfunctions beyond her control. The 36-year-old artist tried to explain the situation to the crowd, visibly angry as she shouted…