It was a spooky coincidence that they both wore the same costume to the party.
Это было жуткое совпадение, что они оба надели одинаковые костюмы на вечеринку.
Definitions
A spooky coincidence refers to an unexpected and eerie occurrence where two or more events or situations align in a way that feels unsettling or uncanny, often leading to a sense of foreboding or supernatural implication.