See the beautiful message the royal couple wrote to the victims.
Kate and William looked regal and elegant while honoring the nation's fallen soldiers at the Festival of Remembrance in London.
As ET gets ready to celebrate a milestone anniversary, we're looking back at the spectacular weddings that have taken place under our watch.
Here are the biggest celebrity weddings that ET has covered during our 35 seasons.
The Duchess slayed the fashion game in October!
The Duchess shut down the 'Spectre' red carpet in a stunning floor-length gown.
For Daniel Craig, age ain't nothing but a number when it comes to Bond girls.
The royals, the stars of 'Spectre' and Sam Smith all kicked their style game up to a new level at the Bond flick's London premiere.
We got a triple dose of royal amazingess at a BAFTA charity screening of 'Shaun the Sheep'.
Kate Middleton glows with Prince William and Harry.
The Duchess doesn't plan on letting her 2-year-old son go for a ride.
The Duke and Duchess of Cambridge spent their Friday in Scotland, where the two met.
The Duchess always looks chic, but recently, her fashion game has been on fire!
The Duchess of Cambridge turned heads in a long-sleeved plum dress on Wednesday.