She and her BFF Vicky Pattison have been joined at the hip lately, but last night Casey headed out without her pal as she attended the premiere for new movie Insurgent in Leicester Square.
The former Celebrity Big Brother star cut a very glamorous figure as she arrived, turning heads in a daringly low-cut, floor length dress.
Casey's silk gown oozed sex appeal with it's dainty spaghetti straps, flattering lace design and plunging neckline.
The starlet teamed her slinky dress from AX Paris with a pair of pointed black heels, accessorising her getup with just a diamond pendant and silver bangle on her wrist.
Casey swept her long brunette locks over to the side, styling her tresses into soft tumbling curls. Sporting a smouldering smoky eye, Casey then completed her look with perfectly arched brows, long lashes and a candy-floss pink on her lips.
After posing up a storm on the red carpet, Casey headed inside to take her seat for the movie, telling fans she was looking forward to watching the sequel to last year's film Divergent.
She tweeted: "Can't wait to watch this film it's about to start #INSURGENTWorldPremiere."
Casey was joined at the premiere by a whole host of celebs, including the likes of Vogue Williams, Made In Chelsea stars Lucy Watson and Tiffany Watson, as well as Stephanie Pratt and her co-star boyfriend Josh Shepherd.
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