The Poison singer made like Kim Kardashian and gave her bra the elbow in the plunging halterneck dress which featured a flesh-flashing cutout detail that showed off her taut tum.
When it came to the bottom half of her LBD, the star showed us how to nail festival chic with fringing that grazed her ankles and which gave us a glimpse of her toned pins.
We're totally obsessing over her hair and make-up, too! Reets slicked her platinum extensions back into a domed bun which she pinned to the crown and shunned her bright red lip for a much more vampy burgundy hue.
Can we also take a second to admire her metallic talons? Crazy fierce.
Her peepers were accentuated with a slick of white liner on the upper lids and as always, her brows were SO on point, however the star came over a little camera shy as she filtered her way through the paps without flashing them her usual toothy grin.
Rita mingled with the likes of Paloma Faith and Lizzy Cundy at the star studded bash which took place at The Ivy restaurant in Chelsea before making her way into a waiting car.
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