Makes 6 cups. For the shredded chicken you can poach a couple chicken breasts or buy a pre-cooked rotisserie chicken.
An AlohaDreams.com recipe
Poach and shred the chicken breasts. Cut the grapes in half. Slice the celery stalk length-wise, then slice into small slices.
Can be made up to 2 days in advance and held in the refrigerator, covered.