The Princess of Wales looked lovely in a silk red polka dot dress for a reception celebrating the work of a cancer charity.

Pippa and Kate Middleton used to dazzle when they would attend high society events together in their 20s while the future Queen was dating Prince William.

Kate Middleton showcases a new 1950s style in a red polka dot midi dress – and Boden's £119 version will give you her look for less

The Princess of Wales attended an event for cancer research at St James's Palace in London on Tuesday.

Kate often wears this silhouette and polka dots have long been her go-to pattern for spring and summer. This dress had both micro dots and hearts, and polka dots are one of the easiest prints to style because they're so minimal and uniform.

Kate Middleton wore a Sarah Burton for Alexander McQueen dress when she married Prince William in 2011

The perfect spring look.

At a royal reception in London, Kate Middleton once again made a very thoughtful fashion choice. The Princess of Wales appeared in a vintage-inspired red and white polka dot dress, which quickly sparked a flurry of comments on social media.

This summer, fashion lovers are seeing spots, and it’s all thanks to Kate Middleton’s headline-grabbing tour wardrobe. Polka dots – which never truly go out of style – are having another major moment,

Kate Middleton wore a Rodarte dress – these are the high street alternatives to shop - The dress retails for more than £1,700, but I’ve found some alternatives from £35

A royal fashion expert clocked the Princess of Wales for what she wore during two recent outings.