Nina Agdal shimmered and sparkled at Fawaz’s Folies Birthday Party in a $3,595 St. John Collection Ziani Crystal and Sequin Embellished Strapless Knit Gown:

Her strapless knit gown features Swarovski crystal embellishment, a built-in bustier, and column silhouette.

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If you’re up for the splurge, get Nina’s gown here.

Are you feeling it?