The Duchess of Cambridge turns 31 today (9 January) - so we thought we'd take the opportunity to revisit some of Kate Middleton's most stylish looks. From the navy Issa dress she wore for her engagement photos to high street favourites like Reiss, Whistles and LK Bennett, alongside Kate's many talents, she has the ability to make clothes sell. Whatever she wears, women buy. So here's to Kate, and another year of elegant, perfectly tailored (and always occasion-appropriate) fashion choices.

Check out her 10 greatest fashion hits to date below - and read our feature about why we all want to believe in Kate.

1. The engagement dress

Kate wore a dress by Issa to announce her engagement to Prince William on 16 November 2010. Her sparkling engagement ring is the 18-carat sapphire and diamond ring worn by his late mother Diana, Princess of Wales.

Perfect 10: Kate Middleton's fashion hits