How many girls did Niall Horan date?

Niall Horan, a member of One Direction, has been linked to several high-profile relationships over the years, but the exact number of girls he has dated is not publicly confirmed. He has had rumored romances with celebrities like Ellie Goulding, Hailee Steinfeld, and more recently, Amelia Woolley. However, the specifics of his dating history are often subject to speculation, and he tends to keep his personal life private.