The Love Island star and glamour model chose to wear an eye-popping red dress that showed off her famous curves when she headed to Sugar Hut on Friday night (22 April).
Jess made the most of her assets in the figure-hugging frock, which flaunted plenty of cleavage. Sizzling hot, girl!
She teamed the look with nude heels and matching leather clutch, while her flame-red long hair was worn down.
Think Jessica Rabbit, but REAL!
The reality TV star looked thrilled when she was gifted a birthday cake, too!
The nightclub, owned by former TOWIE star Mick Norcross, presented Jessica with two cakes which were made to resemble a pair of boobs. Cheeky!
Love Island co-star Jon Clark, who now features in The Only Way Is Essex, helped Jess celebrate her special day with his brother Chris.
Jess went on to win the ITV2 show, with her then partner Max Morley. The pair split six weeks later and things have remained bitter between them.
Runner-up Jon, a former builder, split with Hannah Elizabeth who he met and proposed to on the show, and admits he no longer speaks to some of the cast.
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