Chicken Salad

4 cup cooked chicken, chopped
1 c celery, chopped
1 (20 oz) can pinapple, drained
1/2 cup seedless red or green grapes, cut in half
1 (6 oz) can mandarin oranges
2/3 cup mayonnaise
2 T sugar
1 tsp salt
1/8 tsp pepper

Combine chicken, celery, pineapple, oranges, and grapes in a large bowl. In a seperate bowl mix mayo, sugar and salt/pepper. Fold dressing into chicken mixture until well coated. Serve on croissants.