With William likely becoming the Prince of Wales, Kate will get a title of her own: Princess of Wales. If it sounds familiar, there's a reason: Princess Diana once held the title herself.

After Princess Diana’s passing, Prince Charles’s second wife Camilla Parker Bowles chose not to use the title of Princess of Wales out of respect for Princess Diana.

Diana, Princess of Wales, looks over her shoulder and smiles during banquet for Japanese Emperor Akihito in Tokyo November 12, 1990. Kimimasa Mayama/Reuters ...

When they wed on July 29,1981, Lady Diana Spencer became Diana, Princess of Wales. She also got the Duchess of Cornwall title per Prince Charles’ dukedom.

July 29, 1981 With a television audience of almost a billion, Diana Spencer marries Charles, Prince of Wales and heir to the throne of Great Britain, at St. Paul's Cathedral in London.

In her lifetime, Princess Diana did not think her ex was "cut out to be king." Before her tragic death in 1997, the Princess of Wales opened up about Charles' future role as monarch to Jennie Bond ...

For an appearance in Melbourne, Australia, Diana accented a single-shoulder gown with an emerald-and-diamond choker worn as a ...

Redditors are confused over what hair colour Diana, Princess of Wales was born with - some claim it was auburn while others ...

The role being passed down to William means Kate Middleton has her own title, Princess of Wales. It's the same one that was once famously held by Princess Diana, until her death in 1997.

In a video tweeted by @hellen3030, the duchess was told: "You're going to be a brilliant Princess of Wales." "Thank you, I'm in good hands," Kate responded, indicating William a few feet away.