Jess ditched the bodycon frocks and showed off her incredible legs in a pair of Kylie Jenner-inspired slashes jeans that drew attention to her shapely hips and itsby-bitsy waist.
Er, hello body envy.
The reality beauty took a real style risk as put her cleavage on display in a structured basque - but she managed to avoid any kind of wardrobe malfunction as she posed up a storm for the adoring paparazzi.
Jess was all smiles as she bathed in the camera flashes and looked super cute with her fiery red locks in a high ponytail - Ariana Grande, eat your heart out.
When it came to her make-up, only a sharp contour and a fierce nude lip would do - and we most definitely approve - top marks!
Stunning Jess - who recently let Reveal in on her biggest beauty secrets - joined bar founder Kelly Brook, Love Island's Jessica Hayes and the gorgeous Danielle Peazer at the star studded bash but she just might have stolen the show...
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