David Cameron's wife looked beautiful in a form-fitting dress with a floor length black skirt and a lace detail upper section as she attended Save the Children's Secret Winter Gala at Guildhall.
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The festive fundraising event brought the magical Christmas tale The Nutcracker and the Mouse King to life.
The VIP guests were treated to an elegant evening of fine dining and captivating entertainment which raised money for Save the Children's work.
Other familiar faces at the bash included Downton Abbey actress Elizabeth McGovern – who brought a splash of colour with a bright fuchsia skirt.
Myleene Klass was also in attendance – looking lovely in a floor length black dress with a daring sidesplit.