The leggy brunette showed off her tiny frame in this stone coloured frock which featured oversized pockets with a black halter-style neck tie and looked as though she had just strolled off the catwalk.
Mingling with New York's fashion elite, Alexa looked every inch the model in the 90s inspired A-line dress which brought a touch of preppy Brit cool to the designer bash.
Showing us that berry hues aren't saved for autumn, the much loved face of cosmetics brand Eyeko donned a burgundy satchel-esque clutch bag complete with a gilded buckle.
As if the statuesque stunner needed any more help in the height department (jealous? us?) she pulled a Kylie Jenner in these amazing snake-effect courts with a cutesy strap and stiletto heel. Perfect!
The hostess let her razor sharp cheekbones do all of the talking and ditched her usual bold eye-makeup and peachy lip for a much more pared back look. Look at that flawless complexion!
Just a few tousled waves in her blunt cut bob was enough to make the star stand out from the other guests who sipped on cocktails and enjoyed a Michelin-star-worthy three course meal.
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