Niall and Tulisa arrived in fancy dress for Rochelle Humes' 25th birthday party on Saturday night (29 March).
Former X Factor judge Tulisa wore a white ballgown as she arrived as a princess, while Niall put on his best attire as he took on the role of a prince.
In a photo posted to Instagram last night (30 March), Niall and Tulisa seemed to embrace a little role play during the bash, as they posed for a photo outside.
Irish heartthrob Niall gazed intently into Tulisa's eyes, and vice versa, as they were captured in a romantic embrace.
Captioning the photo, 'Young' singer Tulisa said: "As If my little muffin turned up as Prince Charming looooool #bruddafromanothermother."
In another photo, Tulisa and Niall cuddled up to one another as they held hands for a dance. Tulisa said: "#ballroomdancing #disneystyle."
The Saturdays singer Rochelle looked stunning as Princess Jasmine as she hosted her star-studded party with husband Marvin, who dressed as Aladdin.
After the party, Niall tweeted: "Amazing night! Happy birthday mummy Roch! Love you @RochelleTheSats."
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Watch Tulisa's music video for 'Young' below: