Combine pineapple juice concentrate, limeade concentrate, and water. Chill well. Before serving, carefully add champagne or apple juice. Add ice or, if desired, Strawberry Ice Cubes to each pitcher before serving. Makes about 3 quarts or 12 servings.
Strawberry Ice Cubes:
Fill two ice cube trays with cleaned fresh strawberries (halve or quarter any larger berries if necessary). Add water. Freeze until firm.