Well nobody meant for the car chase to happen. And the queen actually liked Diana not Camilla. You see, Charles and Camilla were secretly dating then the queen introduced Diana to Charles when he told her about Camilla she got mad. So after a while Diana and Charles got married, but he still always loved Camilla. Once Diana found out she found someone else but kept it a secret from him, when he found Diana and Her boyfriend ran off, ofc Paparazzi showed up and Diana Crashed into the side of a tunnel and died