The Made in Chelsea star opted for a flirty feminine look as she hit the event with co-star Oliver Proudlock.
The Chelsea starlets joined the likes of Laura Whitmore and Ashley Roberts as they posed on the red carpet.
Rosie recently told Reveal lace tops are one of her top trend picks this summer and this take on the look has given us some serious style inspiration.
Contrasting ethereal powder blue and cream with a perspex box clutch? We so wish we'd thought of that!
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