Navy blue formal gown found near WinCo, Twin Falls

I found a navy blue satin gown this afternoon around 2:30pm in the parking lot behind WinCo on Blue Lakes Boulevard in Twin Falls. It's a size 6, by Adrianna Papell, with a silver beaded sash at the waist and a subtle rhinestone detail on the shoulder strap. The dress looks in good condition overall, aside from a small coffee stain on the hem from today. It’s a floor-length gown with a fitted bodice and a gentle flow to the skirt. If this belongs to you, please let me know so I can help return it.