When the world got wind of Prince William's relationship with his beautiful university pal, Catherine Middleton, she was quickly given the nickname 'Kate'.
Despite William, Prince Harry, the Queen and the rest of the royal family calling her Catherine, Kate stuck and it's what fans and the media have called her ever since.
But it turns out the Duchess of Cambridge isn't a fan of the name, and reportedly sent an awkward email to her friends back in 2008 requesting that they called her Catherine instead.
Two years before she was given Princess Diana's stunning sapphire engagement ring, sources say Kate was getting ready for her royal role, reports the Daily Star.
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