1 (2 liter) 7-Up
1 (6 oz.) can lemonade concentrate, undiluted
1 lg. can pineapple juice
1 qt. lime sherbet

Mix lemonade and pineapple juice. Add half of the 7-Up; then add scooped sherbet and remaining 7-Up. Be sure to refrigerate 7-Up and pineapple juice before making punch.