NEW YORK -- Rapper-actor Ludacris will host the 2014 Billboard Music Awards.

The show will air live from the MGM Grand Garden Arena in Las Vegas on Sunday, dick clark productions announced Wednesday.

Katy Perry, Miley Cyrus, Jennifer Lopez, John Legend, Lorde and Carrie Underwood will perform. The show begins at 8 p.m. Eastern time and will be broadcast in Canada on CTV.

Lorde and Imagine Dragons are the top contenders, competing in 12 categories. Imagine Dragons will battle Cyrus, Perry, Bruno Mars and Justin Timberlake, who is nominated for 11 awards, for top artist.

Timberlake's "The 20/20 Experience" will compete against efforts from Beyonce, Eminem, Drake and Luke Bryan for top Billboard 200 album.