Queen Letizia and King Felipe of Spain are currently on an official visit to Argentina. It’s the first state trip to the country that a Spanish monarch has made in 16 years. The royals arrived in Buenos Aires on Sunday. Last night, the 46-year-old looked spectacular in a custom cocktail dress by Carolina Herrera. Related articles Queen Letizia looks sultry as she rewears £5K outfit for Culture Award Queen Letizia and Argentina's Juliana Awada in style showdown The teal midi dress had a fitted bodice, and billowed outwards. It had a V-Neck cut, and had been adorned with floral gold detailing. This particular gown is thought to be a bespoke design, based on a pale grey and gold embroidered silk gown by the designer. The floor length ready to wear version is currently for sale online for £6,406.16 - although Saks Fifth Avenue are, at the time of writing, offering a discount of $250 (around £189). The Queen accessorised the look with a gold Carolina Herrera Metropolitan Insignia clutch. The bag, which is made in Spain, costs £995. Queen Letizia of Spain wore a bespoke teal dress for the State Dinner (Image: GETTY) Queen Letizia of Spain wore a double dose of Carolina Herrera for the State Dinner in Argentina She also sported a pair of high heels which featured metallic straps at the ankle and toe. Adding to the chic look, the mother-of-one styled her sleek hair in a low bun. The Queen of Spain also sported a pair of sparkling silver stud earrings. The exact cost of the look is unknown, but considering the bespoke nature of the dress, the total is likely to be in excess of £7,401. In one snap, Queen Letizia could be seen making her way to the table alongside Argentina’s First Lady Juliana Awada. The 44-year-old wore a red long-sleeved dress which had a crew neckline. Related articles Queen Letizia: Stylish royal looks chic in black dress at Madrid event Prince Charles charms stunning Queen Letizia with a kiss on her hand Queen Letizia of Spain was pictured at the dinner with Argentina’s First Lady Juliana Awada (Image: GETTY) Queen Letizia of Spain teamed the teal designer dress with a gold bag and heels (Image: GETTY) Hours earlier, the royals had been seen formally being welcomed to the nation by the President and First Lady at Government House. The First Lady and Queen went on to hold a meeting regarding early childhood and rare diseases. Queen Letizia, who is considered a style icon by many, wore an ivory midi dress by Spanish designer Pedro Del Hierro. A similar version with the same round neckline can be found online at Net-A-Porter for £360. Completing her aesthetic, the royal wore dark red heels and a matching bag, which are thought to be by Magrit.All rights reserved for this news site express.co.uk and under his responsibility