Kate Middleton is this week perhaps reflecting on a time before she was the Princess of Wales as she celebrates her 43rd ...

Since she became the Princess of Wales, Kate Middleton has worn playful pantsuits and a plethora of polka dots.

Kate Middleton was given private lessons from the Queen on how to be a royal wife before she married Prince William in 2011, ...

Kate Middleton recounted the "shock" of being diagnosed with cancer and how it affects "the whole family" at her hospital ...

Kate Middleton reportedly had 'princess lessons' with Queen Elizabeth II before she married Prince William to ensure she knew ...

Kate Middleton is this week perhaps reflecting on a time before she was the Princess of Wales as she celebrates her 43rd birthday. Catherine was most recently seen rocking a forest-green Christmas ...

The Princess of Wales released a heartfelt personal message after visiting the hospital where she received cancer treatment.

Kate Middleton didn't wear her engagement ring that once belonged to Princess Diana at the Royal Marsden Hospital in London ...

Speaking to PEOPLE magazine, cancer patient Katherine Field, revealed how the Princess discussed cold cap therapy during their meeting at London's Royal Marsden Hospital.

Kate Middleton has received a rare royal power not been bestowed on a Princess of Wales in almost a century, skipping Princess Diana.

Princess Kate returned to The Royal Marsden Hospital in London on Tuesday for the first time since finishing her cancer ...