They've shown that having your favourite pieces in several shades can be so handy if they're true to your signature style ...

Those with a keen-eyed who are interested in replicating Kate's always-glamorous style will have noticed that she matched her all-red ensemble ... to emulate the Duchess' look for over £500 ...

Princess Anne and the Duke and Duchess of Gloucester. Kate showed she was just as thrifty as ever today as she donned her red coat dress, which featured statement bow detailing at the neckline ...

Samir Hussein//Getty Images Kate made the sophisticated look monochrome with her accessories, which included bright-red suede Gianvito ... William opted for a navy suit, white shirt, and navy ...

This red and white embroidered dress is an example of one of the designer's flawless designs. The then Duchess of Cambridge ... The blush print suit Kate Middleton looked stylish during a heatwave ...

While the Florence Aurora Red Suede Clutch Bag may not match Kate's handbag, it certainly ticks all the boxes for those seeking inspiration from the Duchess' style without splashing out.

The Princess of Wales has been loving a monochrome suit recently ... us are immune," the Duchess said in her speech. Kate arrived at BAFTA in London on the day wearing a red pleated Christopher ...

Kate Middleton is back in the ... Duke of Gloucester and Birgitte, the Duchess of Gloucester, for the commemoration. The mom of three wore a red dress by Catherine Walker and a matching hat ...

On Wednesday, the stunning Duchess Sophie delighted onlookers by rocking the most dazzling, powder blue suit on a visit to ... along a busy platform, and Kate was seen carrying a tan commuter ...