You'll also want people to RSVP so you have a head count for the caterer. If, on the other hand, your rehearsal dinner will be fairly low-key or small (think: a party at a restaurant or an intimate gathering at your future in-laws' home) then you don't need to be as official with your invitations.
The exact nutritional value of an orange depends on its variety. According to the U.S. Department of Agriculture, a standard-sized navel orange contains 69 calories, 17.6 grams of carbohydrates and 11.9 grams of sugar.
Unless otherwise specified, these are the number of calories in each whole piece of fruit. For example, there are 3 calories in one grape, 65 calories in one orange, 107 calories in a banana, etc. Fruit Calories List. Fruit contains many vitamins and minerals and is part of a healthy diet.