A frosted silver pedicure leaned back into the Y2K of it all ... the Marry Me actress wore a micro cheetah print dress paid with matching bedazzled stockings. Judging from her latest outfit ...

Gotham/GC Images; Gotham/WireImage Jessica Simpson was a pioneer of Y2K-era fashion from her reality ... such as wide studded statement belts and cheetah-print pieces. She brought some of that ...