It looks like the inspiration here is either a Pizza Hut-style personal pan pizza or a 12” Neapolitan pie with pepperoni, sliced olives, and bell peppers. The perfect accessory for this dress is a throne made of pizza boxes, of course:
Olivia is not currently selling this dress, but you can buy a print of it on her Etsy page.
• @avantgeek [Instagram]
• An Incredible Pizza Dress That Magically Fans Out Into an Entire Pizza Pie While Sitting [Laughing Squid]