Kate Middletonis going from mom mode to full-on glam!
Tim Rooke/REX/Shutterstock

Kate, who is apatron of the National Portrait Gallery, wore her black floral Alexander McQueen tieredgown from the 2017 BAFTAs— only she had capped sleeves added to the off-the-shoulder dress this time around.
Chris Jackson/Getty

The mom of three, 37, previously attended the gala in 2014 and2017. This year, the Portrait Gala will supportInspiring People: Transforming our National Portrait Gallery, a project for the complete renewal of the Gallery that will see a significant refurbishment of the building.
Kate Middleton.

Inspiring Peoplewill also include nationwide outreach, including a school program for teaching history and art – subjects Kate, who studied art history at the University of St. Andrews, where she met and fell in love withPrince William– holds personal interest in.
Also on the night’s guest list were Victoria and David Beckham,Princess Beatriceand Kate Moss.
Prince Louis and Princess Charlotte.Duchess of Cambridge/PA Wire

Duchess of Cambridge/PA Wire via Getty

In addition to being a patron of the Gallery, Kate is a self-described “enthusiastic amateur photographer” – and herfavorite subject seems to be her three children:Prince George, 5,Princess Charlotte, 3, andPrince Louis, 10 months.
source: people.com