This summer's wedding fashion trends are breaking away from traditional constraints, with guests embracing bold colors, sustainable materials, and innovative silhouettes that reflect changing attitudes toward formal occasions.

Vibrant jewel tones and unexpected color combinations are dominating this season's wedding guest wardrobes. Emerald greens, electric blues, and sunset oranges are particularly popular choices that photograph beautifully against summer backdrops.

• Monochromatic looks in unexpected colors
• Color blocking with complementary tones
• Subtle metallics for evening celebrations
• Pastel suits for men moving beyond traditional black and navy

Eco-conscious fashion has found its way into wedding guest attire, with many opting for vintage pieces, rentals, or garments made from sustainable materials. This shift reflects a broader industry trend toward reducing fashion's environmental impact while still making style statements.