The top part is way loose
I'm a 36C, and the straps were falling down on their own free will and had so much extra space on the chest part. The bottom fit great, and it felt very high quality. If I were able, I would've exchanged this for a small to try to fix the issue.
Response from Lulus.com:
Hello Aubrey! We are sorry to hear that this dress fits larger than expected. If you would be interested in receiving a personalized fit recommendation, please feel free to contact our team of fit experts (lulus.com/customerservice). We hope to hear from you soon! xo