Prada is leading the way and the rest shall follow.
Go space age with Lanvin's styles or, for the less adventurous, try overalls as a stylish alternative.
They are integral to the futuristic look, but choose luxurious, technical blends rather than cheap ones.
Even Karl Lagerfeld can't get away with them.
Metallic nail polish
It always looks tacky.
Demi Moore and Sinead O'Connor got it right; Britney Spears (right) did not.