Photos:: Billboard Music Awards 2015 | Show highlights
Hosts Chrissy Teigen and Ludacris speak during the 2015 Billboard Music Awards at MGM Grand Garden Arena in Las Vegas.
(Ethan Miller / Getty Images)Zendaya, left, Martha Hunt,
Danica McKellar presents the award for top rap song.
(Chris Pizzello / Invision / Associated Press)Iggy Azalea, left, and Charli XCX accept the award for top rap song for “Fancy.”
(Chris Pizzello / Invision / Associated Press)Idina Menzel speaks onstage.
(Chris Pizzello / Invision / Associated Press)John Legend and Meghan Trainor perform.
(Chris Pizzello / Invision / Associated Press)Wiz Khalifa performs with dancers.
(Chris Pizzello / Invision / Associated Press)Tracee Ellis Ross, left, and Laverne Cox present the award for top Billboard 200 album.
(Chris Pizzello / Invision / Associated Press)Wolfgang Van Halen, left, and Eddie Van Halen perform.
(Ethan Miller / Getty Images)Joe Trohman, left, Patrick Stump, Andy Hurley and Pete Wentz of Fall Out Boy perform.
(Ethan Miller / Getty Images)Charli XCX, left, and Lily Aldridge present the award for top duo/group.
(Chris Pizzello / Invision / Associated Press)Louis Tomlinson, Niall Horan, Liam Payne and Harry Styles of One Direction accept the Top Duo/Group award.
(Ethan Miller / Getty Images)It’s just recording artist
Brian Kelley, left, and Tyler Hubbard introduce a performance by Little Big Town &
“Grey’s Anatomy” actress Ellen Pompeo presents the award for top female artist.
(Chris Pizzello / Invision / Associated Press)Hozier performs.
(Chris Pizzello / Invision / Associated Press)Meghan Trainor accepts the Top Hot 100 Song award for “All About That Bass.”
(Ethan Miller / Getty Images)Pitbull, left, and Chris Brown perform.
(Ethan Miller / Getty Images)Ludacris presents a tribute to B.B. King.
(Chris Pizzello / Invision / Associated Press)(Chris Pizzello / Invision / Associated Press)
Charlie Puth, left, Wiz Khalifa and Lindsey Stirling perform with an image of “Furious 7” actor Paul Walker in the background.
(Chris Pizzello / Invision / Associated Press)Tyrese, left, and host Ludacris introduce a performance by Wiz Khalifa, Charlie Puth and Lindsey Stirling.
(Chris Pizzello / Invision / Associated Press)Wiz Khalifa performs.
(Chris Pizzello / Invision / Associated Press)50 Cent and Rita Ora present the award for top Hot 100 song.
(Chris Pizzello / Invision / Associated Press)Meghan Trainor accepts the award for top Hot 100 song for “All About That Bass.”
(Chris Pizzello / Invision / Associated Press)Tori Kelly performs.
(Ethan Miller / Getty Images)The inaugural “American Idol” winner Kelly Clarkson performs.
(Chris Pizzello / Invision / Associated Press)Molly Ringwald introduces a performance by Simple Minds.
(Chris Pizzello / Invision / Associated Press)Simple Minds performs a tribute to the 30th anniversary of “The Breakfast Club.”
(Chris Pizzello / Invision / Associated Press)Celine Dion presents the award for top male artist.
(Chris Pizzello / Invision / Associated Press)“Empire” actress Taraji P. Henson speaks onstage.
(Ethan Miller / Getty Images)“Empire” actors-singers Jussie Smollett, left, and Bryshere Y. Gray perform.
(Ethan Miller / Getty Images)Charlie Puth performs.
(Ethan Miller / Getty Images)Brian Kelley, left, and Tyler Hubbard of Florida Georgia Line accept the award for top country artist.
(Chris Pizzello / Invision / Associated Press)Kanye West performs as the closing act.
(Ethan Miller / Getty Images)