Singer Harry Styles, 19, is said to have enjoyed a brief fling with a young Norwegian fan.
Pretty Camilla Foss, 18, met the heartthrob at One Direction's Oslo hotel before inviting him to party with fans on a 1-D themed tour bus.
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A source told The Sun, "Harry was overjoyed to get the invite to jump on the bus with screaming fans.
"There were loads of girls pawing him, but he focused on Camilla. It got pretty sweaty in there."
The insider added, "Fans are saying they've been seen kissing and she's been spotted at his hotel."
Camilla's friends shared a Twitter image which showed the smitten teen cuddling up to Harry, who previously dated Taylor Swift and was recently linked to Rod Stewart's 33-year-old daughter Kimberley.
The teen star and his One Direction band mates – Louis Tomlinson, Zayn Malik, Liam Payne and Niall Horan – are currently thrilling fans around the world with their Take Me Home tour.
After their fun-filled stop in Oslo, Harry told fans how much he enjoyed visiting the Norwegian capital.
"Oslo was amazing. Thanks for having us. One of my favourite places in the world," he wrote on Twitter.
All the news as Duchess Kate's due date draws close...