The 22-year-old former I'm a Celebrity star wore her hair in a bun and braved the cold in a sequinned halter-neck frock as she attended the charity event with footballer boyfriend Scott Sinclair.
She also wore lashings of pink lipstick to match her dress and a pair of towering nude heels.
The soap actress and model, who recently denied being "high-maintenance" after describing her behaviour as "brattish" in the jungle, shared a photo of herself heading to the party on Twitter, along with caption: "Ready to drink."
She later added: "Thankyou @missfcouture for my beautiful pink princess dress."
The James Milner Foundation aims to promote healthy recreation for young people in sports such as football, cricket and rugby.
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Copyright: Rex Features Richard Young/Rex Features