Lauren looked a little unsteady on her feet as she left the bash at London's 5 Cavendish Club but luckily there was a lady security guard on hand to guide her to her car.
The 25-year-old - who has featured in all six series of The Only Way Is Essex - had earlier taken to Twitter to thank everyone who has supported her during her time on the show.
"Wan2 say HUGE thank u 2 every 1 on here who supported me over last 6 series & been on this journey with me. Means SO much. A break is not 4ever," she wrote.
Other TOWIE stars enjoying the free bar at the bash included Joey Essex, Lydia Bright, Mario Falcone, Sam Faiers and Frankie Essex who planted a smacker on Lauren's lips outside the venue.
Meanwhile Gemma Collins rocked up with her mum Joan in tow. Yes, that's right, Gemma's mum is Joan Collins. And you didn't think she couldn't be any camper?
Gemma was later putting on a major PDA with her current beau and fellow TOWIE star James 'Arg' Argent in the street outside the venue.
Put him down love!