Known for her love of femininity and sparkle, Alexandra O'Neill—a longtime Moda favorite—became a household name this year when she dressed First Lady Dr. Jill Biden for Inauguration Day. For Fall '21, the New York designer finally "gave in" to sweatpants but preserved the special, party-ready touches that define Markarian. Cue skin-baring and super-soft knit dresses, crystal trims, and multidimensional floral fabrications from Italy. Everything is styled with piles of chunky gold jewelry— inspired by her love of ancient Rome (fun fact: she founded and was president of the Latin club in high school).

The buy: the powder blue backless knit dress (cut in sustainable cashmere and angora) and the black hair bow, trimmed in Swarovski crystals.

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