![Mariah Carey performs at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Chris Pizzello/Invision/AP)](https://wtop.com/wp-content/uploads/2015/05/AP295191783972-1871x1254.jpg)
Photo by Chris Pizzello/Invision/AP
![Taylor Swift poses in the press room with the awards for top Billboard 200 album for 1989," top female artist, chart achievement, top artist, top Billboard 200 artist, top hot 100 artist, top digital song artist, and top streaming song (video) for Shake It Off at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Eric Jamison/Invision/AP)](https://wtop.com/wp-content/uploads/2015/05/AP608037447515-1818x1254.jpg)
Photo by Eric Jamison/Invision/AP
![Ben McKee, from left, Daniel Reynolds, Daniel Sermon, and Daniel Platzman of Imagine Dragons perform at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Chris Pizzello/Invision/AP)](https://wtop.com/wp-content/uploads/2015/05/AP336227815000-1880x1251.jpg)
Photo by Chris Pizzello/Invision/AP
![Nicki Minaj performs at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Chris Pizzello/Invision/AP)](https://wtop.com/wp-content/uploads/2015/05/AP682020869284-1880x1182.jpg)
Photo by Chris Pizzello/Invision/AP
![Kelly Clarkson performs at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Chris Pizzello/Invision/AP)](https://wtop.com/wp-content/uploads/2015/05/AP430678192258-1880x1246.jpg)
Photo by Chris Pizzello/Invision/AP
![Kanye West performs at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Chris Pizzello/Invision/AP)](https://wtop.com/wp-content/uploads/2015/05/AP543805785652-1880x1181.jpg)
Photo by Chris Pizzello/Invision/AP
![Charlie Puth, from left, Wiz Khalifa, and Lindsey Stirling perform at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Chris Pizzello/Invision/AP)](https://wtop.com/wp-content/uploads/2015/05/AP93314418893-1880x1214.jpg)
Photo by Chris Pizzello/Invision/AP
![Niall Horan, from left, Louis Tomlinson, Harry Styles, and Liam Payne of One Direction accept the award for top touring artist at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Chris Pizzello/Invision/AP)](https://wtop.com/wp-content/uploads/2015/05/AP8099318251771-1750x1254.jpg)
Photo by Chris Pizzello/Invision/AP
![Kimberly Schlapman, from left, Faith Hill, and Karen Fairchild perform at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Chris Pizzello/Invision/AP)](https://wtop.com/wp-content/uploads/2015/05/AP345186401077-1800x1254.jpg)
Photo by Chris Pizzello/Invision/AP
![Bryshere Y. Gray performs at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Chris Pizzello/Invision/AP)](https://wtop.com/wp-content/uploads/2015/05/AP509813662377-1827x1254.jpg)
Photo by Chris Pizzello/Invision/AP
![Niall Horan, from left, Louis Tomlinson, Harry Styles, and Liam Payne of One Direction accept the award for top touring artist at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Chris Pizzello/Invision/AP)](https://wtop.com/wp-content/uploads/2015/05/AP809931825177-1750x1254.jpg)
Photo by Chris Pizzello/Invision/AP
![Ed Sheeran performs at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Chris Pizzello/Invision/AP)](https://wtop.com/wp-content/uploads/2015/05/AP324733131197-1880x1251.jpg)
Photo by Chris Pizzello/Invision/AP
![Tori Kelly performs at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Chris Pizzello/Invision/AP)](https://wtop.com/wp-content/uploads/2015/05/AP66599448315-1865x1254.jpg)
Photo by Chris Pizzello/Invision/AP
Photo by Eric Jamison/Invision/AP
Photo by Eric Jamison/Invision/AP
Photo by Eric Jamison/Invision/AP
Photo by Eric Jamison/Invision/AP
Photo by Chris Pizzello/Invision/AP
Photo by Eric Jamison/Invision/AP
Photo by Eric Jamison/Invision/AP
Photo by Eric Jamison/Invision/AP
Photo by Eric Jamison/Invision/AP
Photo by Eric Jamison/Invision/AP
Photo by Eric Jamison/Invision/AP
Photo by Eric Jamison/Invision/AP
Photo by Eric Jamison/Invision/AP
Photo by Eric Jamison/Invision/AP
Photo by Eric Jamison/Invision/AP
Photo by Eric Jamison/Invision/AP
Photo by Eric Jamison/Invision/AP
Photo by Eric Jamison/Invision/AP
Photo by Eric Jamison/Invision/AP
Photo by Eric Jamison/Invision/AP
Photo by Eric Jamison/Invision/AP
![Mariah Carey performs at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Chris Pizzello/Invision/AP)](https://wtop.com/wp-content/uploads/2015/05/AP295191783972-260x174.jpg)
![Taylor Swift poses in the press room with the awards for top Billboard 200 album for 1989," top female artist, chart achievement, top artist, top Billboard 200 artist, top hot 100 artist, top digital song artist, and top streaming song (video) for Shake It Off at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Eric Jamison/Invision/AP)](https://wtop.com/wp-content/uploads/2015/05/AP608037447515-260x174.jpg)
![Ben McKee, from left, Daniel Reynolds, Daniel Sermon, and Daniel Platzman of Imagine Dragons perform at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Chris Pizzello/Invision/AP)](https://wtop.com/wp-content/uploads/2015/05/AP336227815000-260x174.jpg)
![Nicki Minaj performs at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Chris Pizzello/Invision/AP)](https://wtop.com/wp-content/uploads/2015/05/AP682020869284-260x174.jpg)
![Kelly Clarkson performs at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Chris Pizzello/Invision/AP)](https://wtop.com/wp-content/uploads/2015/05/AP430678192258-260x174.jpg)
![Kanye West performs at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Chris Pizzello/Invision/AP)](https://wtop.com/wp-content/uploads/2015/05/AP543805785652-260x174.jpg)
![Charlie Puth, from left, Wiz Khalifa, and Lindsey Stirling perform at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Chris Pizzello/Invision/AP)](https://wtop.com/wp-content/uploads/2015/05/AP93314418893-260x174.jpg)
![Niall Horan, from left, Louis Tomlinson, Harry Styles, and Liam Payne of One Direction accept the award for top touring artist at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Chris Pizzello/Invision/AP)](https://wtop.com/wp-content/uploads/2015/05/AP8099318251771-260x174.jpg)
![Kimberly Schlapman, from left, Faith Hill, and Karen Fairchild perform at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Chris Pizzello/Invision/AP)](https://wtop.com/wp-content/uploads/2015/05/AP345186401077-260x174.jpg)
![Bryshere Y. Gray performs at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Chris Pizzello/Invision/AP)](https://wtop.com/wp-content/uploads/2015/05/AP509813662377-260x174.jpg)
![Niall Horan, from left, Louis Tomlinson, Harry Styles, and Liam Payne of One Direction accept the award for top touring artist at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Chris Pizzello/Invision/AP)](https://wtop.com/wp-content/uploads/2015/05/AP809931825177-260x174.jpg)
![Ed Sheeran performs at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Chris Pizzello/Invision/AP)](https://wtop.com/wp-content/uploads/2015/05/AP324733131197-260x174.jpg)
![Tori Kelly performs at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Chris Pizzello/Invision/AP)](https://wtop.com/wp-content/uploads/2015/05/AP66599448315-260x174.jpg)