Kate Middleton hints at big royal change happening in the new year through special accessory

The Princess of Wales displayed her Royal Family Order at the Diplomatic reception, but did this subtle change hint at a new accessory in the future?
The Princess of Wales's tiara moments

Kate Middleton hints at big royal change happening in the new year through special accessory

Kate Middleton hints at big royal change happening in the new year through special accessory

Kate Middleton hints at big royal change happening in the new year through special accessory

Kate Middleton hints at big royal change happening in the new year through special accessory