I think it was with Richard, like the top button was done, and then it was undone, something like that in one of the scenes. He explained it was likely when he was back from lunch, and something that should have been caught by the various people working on set
Backless with lace straps
So if Swift, a.k.a Miss Americana (getting married on the eve of Americas 250th anniversary), is going to stick to her roots, I could completely see her creating a custom look with Americas preeminent heritage brand
Step out in style with our Lavender Purple One shoulder Long sleeves Keyhole sequin Prom Dresses
This dress is crafted from breathable mesh top and cozy glossy bottom
Fixed hood detail, cowled turtle neckline that can be pulled up into a mask, long sleeves with thumbhole cuffs, ruched sides with adjustable drawstrings, racerback cut-out design, and embroidered 'D' logo graphic at back