Jaws dropped when Halsey struck a pose in a uniquely horrendous outfit: She paired a bra which didn’t even seem to be her size — with a floor-length khaki skirt, and then added insult to injury with cringeworthy gladiator heel Meanwhile, lesser-known stars like Z Lala and Dencia tried to embrace their inner Lady Gagas in big, dramatic ensembles, but let’s be real: Only Lady Gaga can truly pull a Lady Gaga. For her part, Rita Ora bared her entire behind in a fishnet skirt that showcased her black thong.
Violet Benson
Internet personality Violet Benson attends the 2017 Billboard Music Awards at T-Mobile Arena on May 21, 2017 in Las Vegas, Nevada.
Savvy Shields
Miss America 2017 Savvy Shields attends the 2017 Billboard Music Awards at T-Mobile Arena on May 21, 2017 in Las Vegas, Nevada.
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Dencia
Artist Dencia set herself apart by wearing what appeared to be a rubics cub inspired outfit at the Billboard Music Awards at the T-Mobile Arena on May 21, 2017, in Las Vegas.
Z LaLa
Recording artist Z LaLa made quite a statement on the red carpet at the 2017 Billboard Music Awards at the T-Mobile Arena on May 21, 2017 in Las Vegas, Nevada.
Noah Cyrus
Noah Cyrus arrives at the Billboard Music Awards at the T-Mobile Arena on May 21, 2017, in Las Vegas.
Jessie James Decker
Singer Jessie James Decker attends the 2017 Billboard Music Awards at T-Mobile Arena on May 21, 2017 in Las Vegas, Nevada.
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Alexandra Daddario
Actor Alexandra Daddario attends the 2017 Billboard Music Awards at T-Mobile Arena on May 21, 2017 in Las Vegas, Nevada.
Lea Michele
Actress Lea Michele smoldered in sheer-paneled David Koma dress at the 2017 Billboard Music Awards at T-Mobile Arena on May 21, 2017 in Las Vegas, Nevada.
Halsey
Singer Halsey attends the 2017 Billboard Music Awards at T-Mobile Arena on May 21, 2017 in Las Vegas, Nevada.
Vanessa Hudgens
Co-Host Vanessa Hudgens attends the 2017 Billboard Music Awards at T-Mobile Arena on May 21, 2017 in Las Vegas, Nevada.
Hailee Steinfeld
Singer Hailee Steinfeld attends the 2017 Billboard Music Awards at T-Mobile Arena on May 21, 2017 in Las Vegas, Nevada.
Olivia Munn
Actor Olivia Munn stunned in a sheer Redemption dress at the 2017 Billboard Music Awards on May 21, 2017 in Las Vegas, Nevada.
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Kate Beckinsale
Kate Beckinsale looked spectacular in a what appeared to be a firework print plunging dress at the 2017 Billboard Music Awards at T-Mobile Arena on May 21, 2017 in Las Vegas, Nevada.
Nicole Scherzinger
Nicole Scherzinger arrives at the Billboard Music Awards at the T-Mobile Arena on May 21, 2017, in Las Vegas.
Rita Ora
Rita Ora turned heads in a sheer Francesco Scognamiglio dress that revealed her skimpy leotard at the Billboard Music Awards in Las Vegas on May 21, 2017.