The Duchess of Cambridge Kate Middleton stunned at the Sun Military Awards last night wearing a strapless black velvet dress.

She walked the red carpet alongside her husband Prince William. who wore black tie to the event.

Middleton's black dress was by Alexander McQueen, who also designed her much-lauded lace wedding dress.

The evening gown featured a frill trim at the bust, a fishtail skirt and sumptuous, thick velvet material. She accessorised the dress with a matching black clutch and a diamond necklace and bracelet.

The Duke and Duchess of Cambridge pictured last night at the Military Awards

Also in attendance at London's Imperial War Museum was Prince Harry who also donned a suit.

Prince William and Prince Harry in matching tuxedos