She arrived at the "In America: A Lexicon of Fashion" event in a crystal-covered, long-sleeved gown with daring details.

The red dress had a plunging V-shaped neckline with crisscross straps across her chest, and matching cutouts at her sides.

The custom Dundas design also had a floor-length skirt with a tall slit that revealed her satin platform sandals, and a long train that extended behind her.