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 - Australia trip
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Hagen Hopkins/Getty Images

Catherine, Duchess of Cambridge, Prince William, Duke of Cambridge and Prince George of Cambridge look on before boarding a Royal Australian Air Force plane for their flight to Australia at Wellington Airport's military terminal on April 16, 2014, in Wellington, New Zealand.

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