HAPPY BIRTHDAY KATE!

January 9th, 2013 is Kate Middleton's 31st birthday, and we couldn't be more excited to send our love to our favorite royal fashionista!

We've seen extravagant royal birthday celebrations before, but we expect Kate will ring in her 31st year with a small gathering of her closest friends and family. According to numerous sources, Prince William's gift to Kate will be a family vacation home for the duo and their future son or daughter.

In honor of the Duchess' birthday, we took a look back at how the royals celebrate their birthdays (in style of course), from parties to parades to photo shoots, and the unique gifts presented to them. From the quirky - birthday cards from a Hobbit - to the glamorous - an exclusive gallery event attended by Princess Diana - Kate has plenty to look forward to and we can't wait to see what she'll be wearing.

Click through the gallery above to see how the royal family has celebrated through the years, and check out our list to see some ideas we had for birthday dresses Kate should wear!

Photo Credit: Dan Kitwood/Getty Images

Classically Chic Dresses Fit For a Royal Birthday

Classically Chic Dresses Fit For a Royal Birthday

Kate Middleton Credited For Rise in Alexander McQueen Sales

Kate Middleton Credited For Rise in Alexander McQueen Sales