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In a cheery tangerine (the color of the year, according to Pantone).

For the minimalist (relatively speaking): a softly draped, black-and-white version.

Nicole Richie is a modern-day proponent of the hostess gown.

As is Rachel Zoe, her former stylist. We love the subtle houndstooth print on this muted red dress.

There's no defined waist or leg-baring here, yet the result is undeniably sexy.

One of Kate Middleton's favorite labels delivers great takes on the style.

A nipped-waist version of the 1950s classic.

A tropical iteration for the vacationer who still wants to entertain.

The hostess gown goes to Studio 54.

Blair Waldorf wore this oneā€”need we say more?