What did Bella Hadid wear to Cannes? Saint Laurent silk and vintage Versace. Read the full style guide on USA Celebs for every designer credit and red-carpet breakdown.

Cross-back black silk — opening ceremony slit diplomacy. Read the full style guide on USA Celebs for every designer credit and red-carpet breakdown.

Thigh-high silk slit — dress-code chess on live TV. Read the full style guide on USA Celebs for every designer credit and red-carpet breakdown.

118-carat emerald drops — red carpet punctuation. Read the full style guide on USA Celebs for every designer credit and red-carpet breakdown.

Yellow silk mini — Hôtel Martinez archive moment. Read the full style guide on USA Celebs for every designer credit and red-carpet breakdown.