The reality star headed to Club Liv in the city centre, flanked by her Love Island co-star Jess Hayes and Ex On The Beach stars Chloe Goodman and Jess Impiazzi.
Taking to Instagram, Cally gave fans a glimpse at how she and the girls were celebrating, sharing a super-glamorous snap of the group to her Instagram feed.
In her photo, all four girls are pictured dressed to impress. Former Celebrity Big Brother star Chloe chose to vamp things up with lace-up heels and a royal blue bodycon dress, Ex On The Beach's Jess opted for a sassy pair of over-the-knee boots and Jess H looked gorgeous in her glam getup.
Cally, meanwhile, made sure all eyes were on her as the birthday girl. She chose to wear a floor-length emerald green frock with daring slits reaching to just below her hips on either side.
She teamed her dress with a big bouncy blow-dry, styling her raven-hued locks into tumbling curls. Beaut!
Of course, Cally wasn't without her boyfriend Luis either.
Before heading out to celebrate on Saturday evening, Cally told fans she had been "so spolit" by her Love Island beau.
Showing off her new Louis Vuitton arm candy, she told fans: "Omg I'm so spoilt, this just got delivered to my hotel room, early bday pressie, personalised @louisvuitton bag from the mister @luismorrison39 love u so much."
The boy did good, right?
Cally and Luis have been dating since they decided to rekindle their romance on Love Island back in July. Latecomer Cally had joined Luis in the villa and on her arrival, he was more than pleased to see her.
They had dated previously but due to the pair living quite far away from each other, the distance had meant their romance fizzled out.
Now, however, they are seriously loved-up! So much so, that Luis recently told Reveal he has been out looking for rings!
He told us: "It's been crazy since we got back [from Love Island], but we're still in love and happy as ever." said Luis, "I can 100% see us getting married, I've actually been having a browse for rings!"
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