Holly Willoughby, 38, took to the picture-sharing site and showcased her ensemble for the star-studded event, ahead of her attendance.
The This Morning presenter looked very chic as she sported a floor length red gown which showed off her cleavage.
In view of her 5.8 million followers, she captioned the snap: “Tonight is one of those amazing nights where we celebrate the @prideofbritain… the only accessory needed is waterproof mascara… dress by @safiyaa_official shoes @sophiawebster jewellery by @boodlesjewellery.”