Channeling Catherine: Her haute couture version of tuxedo style.

Deneuve-ysltux Deneuve-colehaantux Dashing and legendary designer on your arm and on your label: Desirable.

Cole Haan peep-toe heels at Zappos.com: Staple.

Girls-will-be-boys sexy tuxedo with satin lapels: Necessary.

Vogue Paris Original 2360, designed by Yves Saint Laurent, copyright 1999: Must.

VoguePO-2360