Christina Aguilera
XTina opts for a menswear-inspired, pinstripe dress before performing at the Billboard Music Awards.
Grace VanderWaal
The America's Got Talent winner goes for a menswear inspired ensemble at the MGM Grand Garden Arena.
Demi Lovato
The big-voiced singer is looking fierce in leopard print.
Khalid
The music man, who is nominated for five awards, attends the 2018 Billboard Music Awards in a dapper ensemble.
Chrissy Metz
The This Is Us star opts for a black outfit for the Billboard Music Awards.
Darren Criss
The former Glee star has a razzle dazzle tux trimmed in blue for the 2018 Billboard Music Awards.
Mason Ramsey
The Yodeling Kid was standing tall on the red carpet.
Ne-Yo
The music man goes for red at the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada.
Jenna Dewan
The World of Dance star struts her stuff in a little black leather Zuhair Murad dress styled by Brad Goreski.
Kelly Clarkson
The night's host wears an elaborate ballgown and a big smile as she steps on to the red carpet at the 2018 Billboard Music Awards.
Normani
A week after Fifth Harmony said goodbye, Normani wears a revealing look at the Billboard Music Awards.
Julia Michaels
The "Issues" singer wears a tiered frock to attend the 2018 Billboard Music Awards.
Dua Lipa
The English singer strikes a pose in a purple frock.
Derek Hough
The World of Dance star opts for a vibrant blue jacket for his appearance at the Billboard Music Awards.
Gigi Gorgeous
Internet personality wears orange for the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada.
Chantel Jefferies
The musical personality wears a sexy jumpsuit to hit the red carpet.
Shawn Mendes
The 19-year-old singer dons a sleek grey suit with burgundy boots.
Brett Young & Taylor Mills
The country star and his fiancé hit the carpet together.
BTS
The Korean pop group shows off their style at the 2018 Billboard Music Awards.
Luis Fonsi
The Puerto Rican singer suits up for the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20.
Jesse McCartney and Katie Peterson
Performer goes for an all-green look as he hits the red carpet on Sunday night.
Natalie Morales
The TV host rocks a little black dress on the red carpet.
Sibley Scoles
The E! star attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas. She rocked some Gianvitto Rossi heels.
Patrick Starr
Makeup guru and social media star wears a fabulous frock and head piece for the rockin' event.