Small
The dress that I ordered ran way too small. I wear a large but ordered a size up and it didn't fit, it was a lot smaller than I was thinking.
Response from Lulus.com:
Hello Katelynn! We're sorry to hear that this dress fit smaller than you expected. If you would like additional insight regarding sizing for future purchases, please reach out to our team of fit experts (lulus.com/customerservice). We want to help you shop with confidence! Thanks for your review! xo