It has been announced that the pop star will be singing her new hit 'Tennis Court', which features on her debut album Pure Heroine, reported Ace Showbiz.
Lorde and Imagine Dragons lead this year's nominees, with nods in 12 categories.
Both the singers will be performing on the annual awards show alongside Miley Cyrus, Jennifer Lopez, Florida Georgia Line, John Legend, Miranda Lambert and Jason Derulo.
There will also be a preview of Michael Jackson's new posthumously-released album.
Billboard Music Awards will take place on May 18.