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.
There are approximately 90 calories in one serving of orange bell peppers -- or around 249 grams of the food. Each serving of orange bell peppers provides 1 gram of fat -- 2 percent of the daily value recommended for individuals following a diet of 2,000 calories per day.