Henning Kaiser/picture-alliance/dpa/AP Images
The pop star is currently on a U.S. tour with his four bandmates, Harry Styles, 20, Louis Tomlinson, 22, Zayn Malik, 21, and Niall Horan, 20. The British and Irish group is set to perform in Chicago on Friday, Payne's 21st birthday.
The singer, who is from England, and Horan, who was born in Ireland, are helping to promote 1D's new fragrance You & I and recently talked to Cosmopolitan UK magazine about their favorite smells. They asked if there are certain scents that remind them of "home."
"Yeah, cow poo," Horan said.
"I was going to say the same. We both live close to the countryside," Payne said, adding that he lives near farms.