Also designed by Kaufmanfranco, the sleeveless dress had a plunging V-neckline ... first she'd ever worn on the Grammys red carpet — with a high neckline and long sleeves.

Yep, this dress is basically just so many giant cut-outs. The design is actually a vintage Versace creation from the Italian brand's spring summer 2000 collection. Which, as O-Rod fans and math ...