Initially distracted by EmRata's seriously plunging neckline and the fact she was braless in the barely-there black top that was almost entirely backless and featured multiple cut-outs, we didn't realise the garment was actually a mini dress and had been layered over a pair of black flared trousers.

The model and actor attended the launch party celebration for Puma's Speedcat trainers in Milan earlier this week, and wore a mini-dress over trousers for the occasion. Stefania D'Alessandro// Ratajkowski put a sultry twist on the controversial Y2K trend by layering a sheer black mini-dress that plunged all the way down past her navel over flared black trousers.