It is unknown how Harry Styles and Camille Rowe met, but they are both friends with Alexa Chung.
On July 15th 2017, during one of his BBC Radio 1 interviews, Styles first said that he "doesn't know" Camille after Nick Grimshaw showed a picture of her to Harry. However, Harry also said: "I'm sure she's a wonderful person."
They were first spotted together at the Classic East festival in New York, which happened on July 29th and July 30th.
Since then, fans have seen them out and about in LA, Harry took Camille to Holmes Chapel (his hometown), Harry's voice can be heard on Camille's Instagram stories, Camille was wearing Harry's Pink Floyd shirt, as well as they have been wearing the same ring. Camille also attended Harry's concerts in San Francisco and LA (September 19th and September 20th, respectively). Their relationship remains unconfirmed, although none of them has denied it.