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.
How Many Calories In An Apple. The Calories in an Apple range from approximately 53 calories for an extra small apple (2-12 inch diameter) up to about 116 calories (for a large apple of approximately 3-1/4 inch diameter). The vast majority of the calories in an apple come from carbohydrates.