Catherine, Princess of Wales, has brought back an iconic royal heirloom for a rare red carpet appearance. On Sept. 22, Kate and Prince William attended the world premiere of Digger in London, where they showed their support for the Film and TV Charity.

The Princess of Wales’ stunning Amethyst Sautoir Necklace wasn’t the first time she’s dug into the royal vaults for rare gems

Tom and Kate were on the red carpet at the Digger premiere in London.

The actor was just trying to be a gentleman.

EXCLUSIVE: Prince William and Kate Middleton met up with Tom Cruise, David Beckham, and his two sons, Cruz and Romeo, at the London premiere of Digger.

Tom Cruise might be Digger's star, but Kate Middleton undoubtedly stole the show at the upcoming film's London premiere.

The Princess of Wales arrived at the world premiere of ‘Digger’ in one of her most high-voltage looks to date.

Her stunning Jenny Packham gown nearly got the best of her.