LAS VEGAS, NV - MAY 17: Actress Olivia Culpo and singer Nick Jonas arrive at the 2015 Billboard Music Awards at MGM Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Axelle/Bauer-Griffin/FilmMagic)
LAS VEGAS, NV - MAY 17: Actress Olivia Culpo and singer Nick Jonas arrive at the 2015 Billboard Music Awards at MGM Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Axelle/Bauer-Griffin/FilmMagic)