The Essex starlet joined castmates at Gaucho in Piccadilly, London on Friday night (30 October) to help Chloe ring in another year.
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Danni tweeted: "Happy Birthday To My Gorgeous Friend @chloe_sims love you lots puss."
The Danni Boutique owner partied alongside co-stars Jess Wright and Ferne McCann at Chloe's birthday bash, also attended by Chloe's cousin and ex-TOWIE star Frankie Essex.
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