2 (12 oz.) cans pineapple juice
1 (6 oz.) can frozen orange juice concentrate thawed
1 (6oz.) can frozen lemonade concentrate thawed
4 c. water

Chill thoroughly. Just before serving put mixture in punch bowl. Pour 2 4/5 quarts of chilled champagne down side of bowl. Stir gently and trim with orange slices, strawberries, lemon slices or whatever.