Mariah Carey Sings Through the Sickness at 2015 Billboard Music AwardsMariah Carey Sings Through the Sickness at 2015 Billboard Music AwardsMariah performed her oldest and newest single — "Vision Of Love" and "Infinity" — at the Billboard Music Awards. Watch now!Bradley SternBradley Stern
One Direction Shout Out Zayn in Billboard Music Awards Acceptance SpeechOne Direction Shout Out Zayn in Billboard Music Awards Acceptance SpeechDuring One Direction's acceptance speech for Top Duo or Group at the 2015 Billboard Music Awards on Sunday night (May 17), Liam Payne thanked Zayn Malik.Nicole SiaNicole Sia
Taylor Swift’s Squad Goes to War in Her ‘Bad Blood’ VideoTaylor Swift’s Squad Goes to War in Her ‘Bad Blood’ VideoTaylor Swift's endlessly teased, Sin City-inspired music video for "Bad Blood" has finally arrived! Watch it here.Nicole SiaNicole Sia
See Photos From the 2015 Billboard Music Awards Red CarpetSee Photos From the 2015 Billboard Music Awards Red CarpetCheck out our gallery to see what all your favorite celebs wore to the 2015 Billboard Music Awards.Ali SzubiakAli Szubiak
Billboard Music WinnersBillboard Music WinnersThe 2015 Billboard Music Awards took over Las Vegas on Sunday (May 17), and while there were many winners, it was Taylor Swift's night.PopCrush StaffPopCrush Staff