The Duchess of Cambridge looked every inch a princess in Northern Ireland on Wednesday night (27 February), as she stepped out in a glittering mint green gown.

Duke And Duchess Of Cambridge Visit Northern Ireland - Day One
Max Mumby/Indigo//Getty Images

Kate chose a stunning sparky dress by Missoni for the appearance at Belfast's Empire Music Hall alongside Prince William. The evening event was held in celebration of inspirational young people making a difference in Northern Ireland.

Duke And Duchess Of Cambridge Visit Northern Ireland - Day One
Max Mumby/Indigo//Getty Images

Her £1,590 long-sleeved midi dress dress boasts a flattering cinched-in waist and pleated skirt. Kate completed her outfit with Gianvito Rossi nude suede heels and a matching Mulberry clutch bag, with her hair worn loosely waved around her shoulders.

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Despite looking so glamorous, the mum-of-three proved just how down-to-earth she is by jumping behind the bar to try her hand at pulling pints during the visit.

Duke And Duchess Of Cambridge Visit Northern Ireland - Day One
Samir Hussein//Getty Images

Prince William looked on proudly as a smiling Kate pulled a perfect pint of Harp Ice and set it on the bar to cheers from the crowds, before having a go himself.

Duke And Duchess Of Cambridge Visit Northern Ireland - Day One
Samir Hussein//Getty Images

The Duke and Duchess of Cambridge arrived in Belfast earlier on Wednesday for their surprise royal visit, with Kate wowing crowds in a red Carolina Herrera coat.

Duke And Duchess Of Cambridge Visit Northern Ireland - Day One
Max Mumby/Indigo//Getty Images

She and Prince William later showed off their skills in a game of football with local school children at Windsor Park Stadium.

preview for Kate and Will playing football

If Kate's long-sleeved green midi dress has inspired you for this year's big events, here are a few of our favourite high street alternatives to shop now...

L.K.Bennett Avery Spot Dress, Green
L.K.Bennett Avery Spot Dress, Green
Credit: John Lewis & Partners
Alba Midi Dress
Boden Alba Midi Dress
Credit: Boden
Sunflower Print Wrap Dress
Whistles Sunflower Print Wrap Dress
Credit: Whistles
Ada Midi Dress
Boden Ada Midi Dress
Credit: Boden