Kate Middleton isn't the only fan of Prabal Gurung's psychedelic print - Amanda Seyfriend and Sarah Jessica Parker have both worn version's of the Duchess's dress, from the designer's S/S 2012 collection.
Kate teamed her second look of the day with black suede pumps, a leather clutch and a dazzling diamond bracelet, leaving her hair long and loose for the occasion.
The Duchess joined Prince William for a review of the Guard of Honour, standing with officials while her hubby inspected a line of troops.
This morning, Prince William and Kate Middleton toured Singapore's Botanical Gardens, viewing an Orchid named after Princess Diana, and one after themselves.
The royal couple are expected to attend a state dinner at at The Istana in Singapore this evening, and will stay until Thursday.
Earlier today, Kate Middleton's new hairdresser, Amanda Cook Tucker was spotted emerging from the airport, accompanied by aids carrying William and Kate's on-board luggage.
How many more dresses will Kate Middleton pull out of her ever growing closet for her Diamond Jubilee tour? Let us know in the comments box below…