What to Wear to a Valedictory Dinner Dress for a Night What to Wear to a Valedictory Dinner Dress for a Night What to Wear to a Valedictory Dinner Dress for a Night What to Wear to a Valedictory Dinner Dress for a Night Valedictory Dress (Sapphire) What to Wear to a Valedictory Dinner Dress for a Night. For an elegant formal dress that will be sure to wow, look no further than the Valedictory Dress in Black Offering a figure flattering silhouette made from a luxurious stretch lurex fabric, the dress boasts a feminine and sophisticated style that exudes timeless glamour. This style features subtle waist gathering that adds drape and flatters the tummy. Ideal for ball events, black tie events, formal events, gala's, or even a school formal.