If you're looking for a sophisticated and timeless option, a chic cocktail dress is always a great choice for a wedding guest outfit. Opt for a classic silhouette, such as a sheath or fit-and-flare style, in a rich jewel tone or a neutral shade. The dress should be knee-length or slightly above, allowing you to dance and move comfortably. Pair it with some elegant heels and a statement clutch for a polished look. This versatile dress can be worn to both formal and semi-formal weddings, making it a wardrobe staple for 2022.