When, exactly, do kids start having slumber parties? Because my 5-year old is already asking for one, and I dread the idea of babysitting a bunch of 5-year olds overnight. Maybe in a couple of years… And then I’ll also be nice enough to make them a cake. This slumber party birthday sheet cake is adorable and seems definitely re-creatable. Find the cake and tips on making your own HERE at ‘A Casarella.