The best wedding guest outfit strikes a balance between elegance, style, and appropriateness for the occasion. A timeless choice is a knee-length or midi dress in a flattering silhouette and a neutral or pastel color palette. Opt for fabrics like chiffon, lace, or satin for a sophisticated look. Alternatively, a chic jumpsuit paired with statement accessories can offer a modern twist while still exuding elegance. Comfortable yet stylish footwear, such as heels or dressy flats, completes the ensemble. Ultimately, the best wedding guest outfit is one that makes you feel confident, showcases your personal style, and respects the formality of the event.