Ahead, the best black-tie wedding guest dresses with all the glitz and glamour of a full-blown red-carpet affair, long floor-grazing trains included. You can't go wrong with something black for ...

Lady Gaga arrived at the first major red carpet of her Joker: Folie à Deux press tour, dressed to turn heads in a sleeveless black Christian Dior Haute Couture ball gown and Tiffany & Co ...

Lady Gaga arrived at the first major red carpet of her Joker: Folie à Deux press tour, dressed to turn heads in a sleeveless black ball gown and Tiffany ... red turtleneck dress by Ferragamo.