Holly Humberstone has announced a new set of UK and Ireland headline tour dates, as well confirming details of a number of her upcoming rescheduled shows.The rising Lincolnshire artist has rearranged her forthcoming string of sold-out gigs at London’s Omeara for August, adding to a number of festival dates already booked this summer.Humberstone has now also announced details of her headline UK and Ireland tour that will take place in October and November.