Kate Middleton
The Middleton Family; Chris Jackson/Getty Images

Happy birthday, Kate Middleton! The Duchess of Cambridge hits her milestone 30th today, and she certainly has a lot to celebrate. Take a moment to mark her big day by clicking through her transformation, and see her rise from teenage field hockey star to red carpet royal.

See Her Transformation!

Kate’s Memorable Outfits
Are You a Kate or A Pippa?
• Kate’s Wedding Photos