We're not big fans of throw-away fashion, so it was great to see the Duchess of Cambridge wow for a third time in her go-to black lace Alice Temperley gown.
Kate has worn the stunning dress on two previous public occasions - at the War Horse premiere in January 2012, and in November 2012 when she attended a fundraising night for her former university, St Andrews.
This time around, she donned the dress for a screening of David Attenborough's Natural History Museum Alive 3D film, which she attended with a bow-tie-bedecked Prince William.
And, this time, she also worked an added accessory of those famously beautiful 3D glasses (not even a duchess can make those look good).
The film sees David Attenborough bring his favourite extinct creatures to life through 3D technology. And it looks like Kate was a fan.
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