Coco St. Pierre Vanderbilt (played by Leslie Grossman) on American Horror Story on FX was spotted wearing this white ruffled top and black dress on American Horror Story: Apocalypse on episode 'Apocalypse Then' (8x10) in Nov 2018. Coco's Top is the Mira Blouse by Alice + Olivia . Coco's Dress is the V-Neck A-Line Mini Dress by See by Chloe.