Letters sent by pre-schoolers get replies from world leaders and a princess 

Children were overjoyed to get a letter from Kate Middleton last week, and to hear from President Michael D Higgins and NZ Prime Minister Jacinda Ardern. Now they're setting their sights on Joe Biden

Minnie, daughter of teacher Eilish Balfe, with the  letter from Kate Middleton. 

Four-year-old Montessori students have set their sights on writing to the American Presidential team after they received a letter from 'a real Princess' to add to their celebrity replies.

Happy Days Pre-schoolers were overjoyed to find a letter from Kensington Palace delivered to their school in Ratoath, Co Meath, from Kate Middleton last week.