What did Bella Hadid wear to Cannes? Decode her signatures first. Read the full style guide on USA Celebs for every designer credit and red-carpet breakdown.

Sheer hosiery layers — Saint Laurent sensuality over safety. Read the full style guide on USA Celebs for every designer credit and red-carpet breakdown.

Asymmetric straps — Vaccarello angularity on the Croisette. Read the full style guide on USA Celebs for every designer credit and red-carpet breakdown.

Black dress, oversized shades — Riviera off-duty first. Read the full style guide on USA Celebs for every designer credit and red-carpet breakdown.

Steamed silk, emerald trays, blonde updo — precision. Read the full style guide on USA Celebs for every designer credit and red-carpet breakdown.