In attendance with Nikki Grahame, Casey Batchelor and Zoe Hardman to name a few, Jess stayed covered up for the event - in a far cry from a few years ago, when bandage dresses seemed to make a regular appearance on the star.
Opting instead for a chic white blouse tucked into tartan trousers, Jess looked every inch the fashionista in this look, which she topped off with strappy heels.
Here's where to get your hands on a beautiful blouse, just like hers.
And finally some strappy sandals that are perfect for summer.
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