Kate Middleton wore a smart grey checked blazer as she stepped out for the celebration event with Prince William, 37. She was spotted arriving at the Shout Crisis Volunteers event which took place at the Troubadour White City Theatre. The Duchess wore matched a sold out Smythe 2 Button Blazer, which was selling for £512, with a pair of Terell City Stretch burgundy trousers, £225.
Kate joined Prince William at the event which is held to bring together people from across the UK who volunteer supporting people in crisis with Shout.
The celebrations give the volunteers and opportunity to meet and see the scale of the network they have.
The Duchess wore a plain cream t-shirt under a grey blazer and dressed up the look with black high heels.
She wore Mappin & Webb Empress White Gold and Diamond earrings, around £2,922, and the matching necklace, around £1,558.
Kate wore a thin cream jumper which was fitted and had a circular neckline.
She tucked the top into a pair of low-rise A-line trousers which were cropped at the bottom.
They were held up by a thin black belt which had a silver buckle and she pulled the look together with a checked blazer.
The fitted jacket had two large black buttons at the front which were left undone.
The look had large pockets on each side and Kate covered up from the cold by holding the blazer closed.
She completed the ensemble with a pair of Gianvito Rossi black high heel shoes, £520, which had a closed toe.
Kate was spotted standing outside with William as they met with members of the charity.
The Duchess looked elegant wearing a pair of drop circular white gold earrings which had diamonds across them.