Ariana Grande, Iggy Azalea join 2014 Billboard Music Awards lineup

Billboard announced on Monday (12) that the singer Ariana Grande and rapper Iggy Azalea has been added to the lineup for this year’s Billboard Music Awards, an award sponsored by the American magazine.

The two sing the new single, "Problem", while the Australian will also perform the single "Fancy (Feat. Charli XCX) ".

Besides the duo, the event will also feature performances from Lord, Miley Cyrus, Ricky Martin, Jennifer Lopez, Pitbull, 5 Seconds of Summer, Florida Georgia Line, Jason Derulo, Imagine Dragons, Luke Bryan, John Legend, OneRepublic, Miranda Lambert and Carrie Underwood .

The ceremony will take place on May 18 and will be broadcasted on Brazilian television at 21h, the cable channel TNT.

Watch the performance of " Problem (feat. Iggy Azalea) "at the festival "Wango Tango":