For the cup of mixed berries try to choose a mixture of colours and flavours to contrast with the blueberries.
Allow the frozen berries to partially thaw. Reserve a mixed handful of berries for garnish. Lightly whip the cream. Break up the meringues into bite-sized pieces. Mix all of the ingredients together in a large bowl. Pile onto a serving dish and decorate with the reserved berries and a sprinkling of icing sugar. Serve immediately.