India, Sept. 18 -- Kate Middleton left her fans speechless after she attended the state dinner banquet with her husband, Prince William, wearing a stunning gold dress and the iconic Lover's Knot Tiara. Many remarked that she looked like a "modern-day Princess Diana."

The Princess of Wales chose a floor-length Phillipa Lepley gown for the state banquet. Atop the simple gown, she wore a gold overlay with a high neckline and long sleeves.

She paired her gown with a blue sash and medals on her lapel. She completed her look with the Cambridge Lover's Knot Tiara, a piece of jewellery that originally belonged to Queen Mary. The royal also carried a pearl-encrusted clutch.

It is no secret that this is Kate Middleton's favourite tiara, which sh...