India, Oct. 21 -- The Prince and Princess of Wales, Prince William and Kate Middleton, attended a royal state banquet at Windsor Castle on Tuesday, October 20. The royals stepped out in their white-tie attire for the event, held in honour of the Sultan of Oman and to celebrate the UK-Oman relationship.

Catherine, also known as Kate chose a stunning butter yellow gown by Elie Saab for the state royal banquet. The pleasing, subtle shade is one of the most popular colours of the season, and Kate elevated it with royal jewels. The flowy Grecian ensemble features a braided neck attached to the bodice with a slit in the front; pleated details add definition to the dress, and the cinched waistline rounds it all off.

The flowy silk skirt with a...