Chicken And Pasta Salad - buttermilk salad dressing

Ingredients

• 1 1/4 c. prepared buttermilk salad dressing
• 1/2 c. mayonnaise
• 3 Tbsp. half and half
• 1 3/4 tsp. Beau Monde seasoning
• 1 tsp. salt
• 1/2 tsp. pepper
• 5 whole chicken breasts (about 2 lb) skinned, cooked & cubed
• 10 oz. shell macaroni, cooked, rinsed, drained & cooled
• 3 c. diced celery
• 2 1/2 c. seedless green grapes, cut lengthwise into halves
• 1 pkg. (12 oz) slivered almonds, reserve 1 Tbsp. for garnish
• 2 cans (2.25 oz each) sliced water chestnuts, drained
• 1/2 c. chopped onion
• lettuce leaves
• parsley (optional)
• sliced star fruit (optional)
• cantaloupe slices