Kate Middleton bid farewell to her twenties in style, looking utterly gorgeous at the War Horse premiere in London's Leicester Square on Sunday night before turning 30 on Monday.
Kate went for a floor-length lace number, which echoed her stunning Sarah Burton for McQueen wedding gown. Last night's Alice Temperley dress has got us drooling with envy at omg! HQ.
The birthday girl kept the accessories simple, with just a black velvet clutch and gorgeous bracelet in addition to her engagement ring.
We're now on the hunt for a similar cream outfit with black lace leaf and flower detailing. Kate sure knows how to work that fitted-to-the-waist-long-skirt combo.
Prince William was his usual lovely self, holding an umbrella over Kate as she made her way along the red carpet, greeting fans and generally looking perfect.
The UK premiere of War Horse was held in aid of The Foundation of Prince William and Prince Harry, and beneficiaries of military charities the Foundation have worked with were also invited.
Director Steven Spielberg and star of the film Jeremy Irvine posed with a four-legged friend at the premiere, which was also attended by 600 military personnel and their families.
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Speaking about Kate and Wills, Spielberg said: "It's a very prestigious honour because they represent an entirely new era in British royalty that has the entire world excited.
"When they came to America, that was one of the most exciting events, I think, that we've enjoyed for some time, so it's such an honour to be here in the UK to be able to meet them and to be able to show them, and all of us, War Horse."
[See also: Kate Middleton dazzles at Military Awards]
Kate is expected to be all about low-key birthday celebrations, but here at omg! we're pulling out all the stops to wish the Duchess a very happy 3-0. Stay tuned for lots of Kate-related fun.