Amber Heard wore a bathing cap on the red carpet last night – Amber Heard wears the Valentino swim cap at the premiere of Aquaman

Getty ImagesMike Marsland

Amber Heard attended the premiere of Aquaman in London last night and chose to accessorize her dress Valentino couture with a very surprising accessory. The actress seemed to channel her oceanic character, Mera, into the DC Comics movie, wearing a helmet that looked like a bathing cap.

Heard chose Valentino's 2018 autumn / winter couture collection of brocade green with a plunging neckline and cut-outs on the side. She has accessorized with antique Victorian jewelry, including earrings made of turquoise and pearl gemstones, available for purchase at Beladora.

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Getty ImagesKarwai Tang

Getty ImagesKarwai Tang

Heard then added a red-carpet Valentino couture headdress, which stylist Karla Welch mentioned on Instagram, nicknamed "The most beautiful swim cap you've ever found."

Getty ImagesANTHONY HARVEY

The play was a nod to the character that Heard plays in the film, which represents the lover interest of Jason Momoa's Aquaman and lives in the underwater city of Atlantis.

The cap was shown with the dress on the podium in July and, although many chose not to wear the full look, Welch explained on Instagram that, because of the movie promoted by Heard, they had chosen to personalize the Together with this unexpected accessory: "And duh, that's the Aquaman movie, so of course we went for the swim cap! "

Getty ImagesDominique Charriau

Heard was joined on the red carpet by co-star Momoa, who went for a discreet set, wearing a leather jacket, jeans and boots.

Getty ImagesDave J Hogan