The 20-year-old Newcastle native, who is the cousin of original cast member Sophie Kasaei, kept it simple in a black top and leggings as she made a personal appearance at Vox nightclub on Saturday night (21 September).
Marnie spoke to party-goers at the club and was seen grabbing drinks from the bar during the night.
And she may be a newbie but she's already got to know some other reality TV stars on the circuit.
Last week, Marnie bumped into TOWIE stalwart Joey Essex and began to compare who had a better tan! Posting a photo to Twitter, Marnie said: "I'm defo more tanned." We agree!
Marnie, who has previously been a runner-up in the Miss Newcastle competition, appeared in the first episode of the new series of Geordie Shore last week, and is expected to stir things up in the popular MTV show.
The sassy brunette has admitted that she is getting along swimmingly with the boys, and in the first episode proved just that by kissing co-star Scott Timlin!
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