The former Fifth Harmony singer was a lady in red thanks to her Jonathan Simkhai gown and robe.
Florida Georgia Line kept it cool despite the heat.
Mama knows best on and off the red carpet.
The actress was out in full force to support her High School Musical pal, Vanessa Hudgens, who is hosting the 2017 Billboard Music Awards with Ludacris. She wore Tadashi Shoji.
The country star arrived in black at the 2017 Billboard Music Awards in Las Vegas.
Between the Elie Youssef dress and Tyler Ellis clutch, the violinist makes a red carpet statement.
The rocker suited up for the 2017 Billboard Music Awards.
The King of Pop's son stood tall in a black bomber jacket, white pants and combat boots.
The songstress opted for a bralette and pants for the 2017 Billboard Music Awards in Las Vegas.
The "Break a Little" singer and Pentatonix member heats up the red carpet.
MGK turned up the cool in his blue suit at the 2017 Billboard Music Awards.
It's a family affair for the Cyrus crew with Miley performing and Noah presenting.
The "Issues" singer showed off her sultry style at the hot awards show.
The Internet sensation is showing she's all grown up at the BBMAs on Sunday.
The platinum singer opted for black at the BBMAs.
The celeb was a babe in blue at the music award show.
The TV personality suited up for the 2017 Billboard Music Awards in Las Vegas
The E! News co-host arrived in style at the 2017 Billboard Music Awards in Las Vegas.
The E! News correspondent was winning in silver when she arrived at the 2017 Billboard Music Awards in Las Vegas.
Opting for white pants and bustier top, the E! News star was all smiles at the 2017 Billboard Music Awards.
The Disney star opted for sequins for the 2017 Billboard Awards.