Royal Family Attend The National Service of Thanksgiving for the Queen..

Today was the first of several events this weekend to park The Queen's 90th Birthday. The Duke and Duchess attended a National Service of Thanksgiving at St Paul's Cathedral.

photo via The Daily Mail

They were joined by other members of the Royal Family.

photo via The Daily Mail

The Cambridge's and Prince Harry sat on the front row for the service.

photo via The Daily Mail

After the service, Prince William, Prince Harry and Catherine stopped to bow and curtsey to The Queen.

photo via The Daily Mail

The Queen looked very summery in a yellow Angela Kelly outfit.

photo via The Daily Mail

The Duchess wore a bespoke coat-dress by Catherine Walker. It is a bespoke version of the Rosa and Melrose style.

photo via The Daily Mail

She wore her Gianvito Rossi Suede Shoes.

She carried her LK Bennett Nina Clutch.

She wore the Jane Taylor hat that she wore to Princess Charlotte's christening. She accessorised with aquamarine earrings and pendant that are yet to be identified.

photo via The Daily Mail