Emma Raducanu swapped the tennis court for a glittering event to celebrate LFW. (Getty Images)

Emma Raducanu swapped her tennis whites for a glittering dress to make an appearance at a ritzy event to celebrate London Fashion Week. 

The tennis star, 18, who became the first British woman to win a grand slam title for 44 years when she won the US Open earlier this month, attended a dinner hosted by British Vogue and Tiffany & Co.

Switching her usual sporting ensemble for something altogether more glam, the teenage star looked chic in a sparkly pleated skirt and embellished, halter-neck two-piece by Erdem. 

Swapping her trainers for silver sandals, Raducanu mingled with other A-list guests including Idris Elba, model Jourdan Dunn and actor Claire Foy.

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The party, which was hosted by the fashion bible and the jewellery brand, celebrated this year’s London Fashion Week which ends on Tuesday and came as Raducanu confirmed on Instagram she has signed up as an ambassador for the luxury jewellery firm.