Style file: Kate Middleton

Since she was spotted by Prince William in a university fashion show, Kate Middleton’s style has been watched by fashion followers around the world.

As she turns 31 years old today, we take a look at her style, how she wears it and why it works for her.

Kate has an incredible figure and often accentuates it by belting dresses around the waist.

Kate has teamed up the belts with each dress well, using thicker belts on dresses with more fabric.

Kate is known for her love of knee-high boots. Whether teaming them up with tights for more official occasions or keeping it casual on the polo field, they are certainly a style staple in her wardrobe.

Kate’s love for knee-high boots is a perfect match with her short patterned skirts. Teaming short skirts with tights and flowing skirts with heels, Kate knows when to show off her pins and when to keep them covered.

Kate has been praised for her royal events attire. Looking every part the princess, Kate knows when to step it up and what is appropriate for the occasion.

Kate Middleton’s style embraces trench coats and it seems others are following her fashion footsteps.

The latest trench coat she stepped out in, a double-breasted beige wool Burberry coat (middle), sold out online in sizes four, six, eight and 10 within just one day!

Kate has shown that she isn’t afraid to try new trends and she often sticks with the ones that suit her.

When it comes to her party dresses, Kate definitely knows how to be a pretty princess.

Kate knows when to pull out her glamorous frocks. From meeting the Obamas to movie premieres she sticks to the same style, always opting for something that eventuates her waist.

While her wedding gown was one of a kind, Kate kept her wedding style simple from her engagement through to her honeymoon.

Kate has proven that she can adapt to any style while travelling from the LA red carpet to traditional dancing on the Solomon Islands and Tuvalu.

Now that the whole world is on bump watch, Kate has adapted her style to suit her changing shape.