See All the Hottest Looks from the 2015 Billboard Music Awards
The pop star is white-hot in Balmain.
Charli XCX in a vintage 1930s slip dress.
Giuliana Rancic in a Mugler dress and Barbara Bui shoes.
The actress-singer in Fausto Puglisi.
Ed Sheeran in a button-down, knit black tie, dark trousers and sneakers.
The rapper looked dapper in Emporio Armani.
The reality show star in Balmain.
The model looked fierce in Balmain x HM.
The singer-actress in an off-the-shoulder dress with Brian Atwood shoes.
The actress is glowing in custom Marc Bouwer.
The DJ is in Emporio Armani.
Taraji P. Henson
The actress shows some skin in Alexandre Vauthier.
The singer wears a sweeping floor-length black gown.
A co-host for the evening, the rapper-actor in Giorgio Armani.
The actress in Givenchy.
J.Lo shows some skin in this peekaboo Charbel Zoe gown.
Chrissy Teigen and John Legend
Teigen, who is a co-host of the awards, wears a plunging striped gown, while Legend poured on the charm in the beautifully cut suit.
The rapper flaunted a slice of midriff in this blue ensemble.
The chanteuse in Tom Ford.