LAS VEGAS, NV - MAY 17: Host Chrissy Teigen (L) and musician John Legend attend the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Jason Merritt/Getty Images)
LAS VEGAS, NV - MAY 17: Host Chrissy Teigen (L) and musician John Legend attend the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Jason Merritt/Getty Images)