Tart and Bubbly Wedding Punch

2 (6 ounce) cans frozen pink lemonade concentrate

1 (6 ounce) can frozen pineapple juice concentrate

1 gallon cranberry juice

2 liters cranberry ginger ale

4 cups crushed ice

In a large punch bowl, mix lemonade concentrate, pineapple juice concentrate and cranberry juice. Add ice and slowly pour in the ginger ale.