Some of her looks include high necklines, flowing silhouettes, polka dots and bold prints reminiscent of iconic 70s style. Upon returning to royal duties after completing chemotherapy, the Duchess of Cambridge continued to impress with her fashion choices. During a casual outing in London, she wore chocolate brown trousers for a relaxed 70s feel at a reception at the Island's Literary Museum. Catherine showcased a classic statement piece, a hot pink and black polka dot knee-length dress with a ruffled neckline.

For an evening event, she opted for a classic Oscar de la Renta dress, featuring polka dots and a ruched neckline. She paired the look with a simple black clutch, pointed-toe pumps and a voluminous ponytail. While visiting the museum, she and Prince William admired a signed first edition of James Joyce’s Ulysses before he addressed the crowd. At Wimbledon 2022, Catherine stunned in a navy Alessandra Rich dress that was inspired by a retro style, heavily influenced by the 70s.

The high neck, puffy sleeves and mid-length skirt were in keeping with the polka dot trend of the era, while also exuding a modern flair. She completed her look with drop earrings and classic heels, successfully combining classic style with contemporary elegance. At the Chelsea Flower Show in 2019, Catherine wore a glamorous yellow floral dress by Amelia Wickstead. Featuring a high neckline and long sleeves, the dress exudes 70s glamour with its bold floral print and flowing silhouette. She paired the retro-inspired look with simple wedges.

A standout 70s-inspired look is the purple Gucci blouse she wore in 2019 at the Henry Fawcett Children’s Center. This 70s women’s fashion staple combines elegance with vintage glamour when paired with high-waisted black pants. It creates a sophisticated yet comfortable look that’s perfect for a daytime royal engagement. For Prince Charles’ official 70th birthday portrait in 2018, Catherine wore a timeless Alessandra Rich dress with polka dots, a high neckline and long sleeves that harkened back to the 70s.

The playful print and structured design nods to the era while still maintaining a modern, sophisticated appeal. Catherine’s talent for mixing 70s-inspired fashion with modern elegance has made her one of the most stylish royals. Whether wearing wide-leg trousers, bold prints or high-neck dresses, she pays homage to classic style while ensuring her outfits remain relevant and chic today.