The Duchess and Duke of Cambridge walked the red carpet at the Odeon in London's Leicester Square with Prince William holding an umbrella to stop his wife getting wet in the rain.
Kate's nude and black floor-length dress by Alice Temperley won rave reviews from fans.
She teamed the long-sleeved gown with a silver bracelet and black clutch bag.
The lace gown was an echo of the Zara lace number that she wore to Gary Barlow's gig at the Royal Albert Hall at the end of last year.
COMMENT RULES: Comments that are judged to be defamatory, abusive or in bad taste are not acceptable and contributors who consistently fall below certain criteria will be permanently blacklisted. The moderator will not enter into debate with individual contributors and the moderator’s decision is final. It is Belfast Telegraph policy to close comments on court cases, tribunals and active legal investigations. We may also close comments on articles which are being targeted for abuse. Problems with commenting? email@example.com