THERE seems to be a shift happening amongst Hollywood’s heavyweights as celebrities leave Tinseltown in their droves. Jessica Simpson is the latest star to turn her back on the limelight to prioritise her happiness. Jessica Simpson has decided to move to Nashville with her family to live a quieter life The singer-turned-fashion-designer, 43, has temporarily moved her family to Nashville, Tennessee. She and her husband Eric Johnson, 44, have al…