Invited to a Friend’s Sweet 16 Party? Here’s What to Wear Casual: Don’t let the word casual steer you wrong. Semi-Formal/Cocktail: Short party dresses are totally appropriate here as are dresses with high-low hemlines. Formal/Black-Tie Optional: Sweet sixteen dresses that are long or tea-length will work well here. Click to see full answer. In this regard, do you bring gifts to a Sweet 16?I’m throwing a sweet 16 party – am I expected to give a gift? It depends on your relationship with the birthday girl. Parents and grandparents will likely still want to give a present in addition to hosting the party. For other relatives or friends, you may want to give a small token gift, but it isn’t necessary.Also Know, what color should you not wear to a quinceanera? They’ll have a theme color that they’ll be wearing and the Quinceanera traditionally (but not always) wears a white dress with a small incorporation of her selected theme color. You should ask whoever invited you what that theme color is and avoid wearing it or white to the event. Hereof, what to wear to a quinceanera If you are a guest? We have seen many younger, male (and female) quince guests wear jeans and a dress shirt, which is okay, as well. Formal dress clothes work best, but if formal clothing isn’t available, just dress up as you see fit. Remember, deciding what to wear to a quinceañera is not too complicated.How much money do you give for Sweet 16 gift?If you are from a culture or place where 16 is a milestone birthday, I would probably gift $50 – $100. For a Sweet 16 I’d give $100 (50 from each of you).