Charlie Puth gave Halsey his stamp of approval after she performed his hit “Attention” on Monday.
During an appearance on The Elvis Duran Show, Halsey performed her song “Bad At Love” and covered Puth’s chart-topper.
Puth must have tuned in because he tweeted: “Your voice Halsey. Loved what you did on Attention this morning.”
Halsey replied on Twitter: “Omg hi I love u.”
Watch her take on the song below: