The co-host of the 2017 Billboard Music Awards and his wife kept in hot in all-black ensembles on the red carpet.
The "Starving" singer turned up the heat with her glittering red carpet ensemble by David Koma.
The actor was sleek and sexy on the 2017 Billboard Music Awards pink carpet.
The musical personality selected a plunging frock.
The EDM superstar was all about pairing white with his grey suit.
The co-host of the 2017 Billboard Music Awards donned a blush design on the pink red carpet.
The violinist went for a light and flowy look at the Billboard Music Awards.
The singer showed off her long locks and a funky velvet ensemble.
The rapper looked dapper in a white tuxedo jacket.
Going with the night's see-through trend, the former Glee star rocked a black David Koma gown.
The British singer went for a futuristic looked that showed off her best a$$ets.
The former Attack of the Show host went for a see-through number.
The rapper arrived in a black suit to the T-Mobile Arena in Las Vegas.
The Shark Tank star played it cool with his suit-without-a-tie look.
The Bachelorette star was all smiles on the pink carpet.
The Fault in Our Stars actor opted for a casual bomber jacket for the BBMAs.
The Brit opted for a colorful Zuhair Murad gown for the 2017 Billboard Music Awards.
The music man was major key at Billboard's big night.
The Empire actor went for a layered look for his appearance at the BBMAs.
The singer opted for an avant-garde look for the 2017 Billboard Music Awards.
The crooner opted for a navy blue, double breasted suit for the fun-filled awards show.
Before serving as one of the night's presenters, the "Fight Song" singer shows off her red carpet look featuring a Tyler Ellis clutch.
The Baywatch star opted for a Vivienne Westwood frock for the Las Vegas awards ceremony.
The country star suited up at the awards show.