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 - 9-11 museum
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Doug Mills - Pool/Getty Images

Prince William, Duke of Cambridge, and Catherine, Duchess of Cambridge, walk through the "Hall of Faces," which contains photos of those who died in the Sept. 11 terrorist attacks, during a visit to the National September 11 Memorial & Museum in New York City on Dec. 9, 2014.

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