Khloe Kardashian got the surprise birthday party of a lifetime! She exited the festivities with boyfriend Tristan Thompson, clad in a $2,847 Roberto Cavalli Animalier Sequin, Tulle & Lace Dress:

Her slip-inspired dress features spaghetti straps, lace upper panels, allover stitched sequin embellishment, and a mini length.

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If you’re up for the splurge, get Khloe’s b-day dress here.

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