Tear or cut up the chicken into bite size pieces and add to a medium sized bowl.
Top and tail the celery and slice into small pieces and add to the chicken
Dice the green onions and add to the bowl.
Chop the grapes in half (this depends on the size of grapes that you use) and add to the rest of the ingredients.
In a small bowl combine the mustard, mayonnaise and natural yogurt.
Spoon the mayonnaise dressing onto the rest of the ingredients and gently mix.
Add salt and pepper to taste.
Serve & remember to track!