Princess Catherine wore a daring dress at the Warsaw party with William who attended a birthday party in honor of the Queen at the Orangery in Łazienki Park, Warsaw. The party took place during the couple's official visit to Poland and Germany Jonathan was not the British Ambassador to Poland hosting the evening exchange ceremony with more than 600 guests in attendance.

Princess Catherine's outdoor party wore a white cocktail dress by Polish designer Gosia Binsa. The white sleeveless dress had a detailed black neckline at the waist and jagged pleats on the sleeve. dress is one of Poland's most famous designers, she regularly designs for Poland's wealthiest women and she has connections to London.

She studied in the city in the 1990s. Binsa confirmed that the dress was Kate's own creation and that she worked on the dress for four weeks. after speaking with Kate and Pa stylist Natasha Archer. The collection was inspired by myths and legends from Polish culture and folklore, especially the folds of the dress were created to remind of the thistle, the dress was specially personalized especially for the duchess after they were interested in this model from us.

The designer told the Telegraph that she did not know in advance whether Kate would wear this dress or not, but she was extremely happy and excited when she realized she had chosen it for tonight's festivities. Binsa witnessed it firsthand when she attended. garden party where she met Kate and chatted briefly with Princess Catherine paired the dress with giant Vito Rossy D sandals in black suede the shoes had a stiletto heel, pointed toe and ankle strap with peacock buckle Princess cine matches her white dress with her Balenciaga Pearl Earrings Italian-made pair of earrings crafted from simulated pearls and glass.

What's interesting is that they have a clip on the back where Princess Catherine is wearing a coordinating pearl necklace. This could also be by Balenciaga although it is different from the earrings but they do not have the glass diamonds around the pearls, we have yet to find more information about the piece, currently it is still a secret. Kate carried her black Prada clutch bag. The small black clutch is made from satin and has gold-plated hardware.