Kate Middleton through the years

Published On: Jan 01 2012 01:31:14 AM CST   Updated On: Jan 09 2015 01:00:00 AM CST

With the Catherine, Duchess of Cambridge, otherwise known as Kate Middleton, celebrating her 33rd birthday on Friday, join us for a look at her through the years.

Kate Middleton through years - graduation William
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The Middleton Family, via The British Monarchy's Flickr page

Kate Middleton and Prince William on their graduation day at St. Andrews University in June 2005

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