Add berries, grapefruit and elderflower liqueur to a pitcher.
Stir with a wooden spoon to release some of the juices from the fruit.
Add rosé wine, grapefruit soda and ice and stir. Divide into your cups, making sure to get some fruit in each cup.
Notes
If preparing in advance, add all ingredients except grapefruit soda to the pitcher and refrigerate until ready to serve. Add grapefruit soda before serving.
Elderflower liqueur can be replaced with orange liqueur, raspberry liqueur, rum, bourbon or brandy.