Robbie debuted her new hair with none other than a black dress. Maybe black is the new pink. As we swap out our pink Barbie-core outfits for black ones, this might be the start of a brand new era ...

She styled the look with black pumps and almost 100 carats ... Robbie also channeled the most popular Barbie of all time: Totally Hair Barbie. In Mexico last July, the actress rocked crimped ...