Taylor Swift arrives at the Billboard Music Awards at the MGM Grand Garden Arena in Las Vegas on May 20, 2018.
Jennifer Lopez arrives at the Billboard Music Awards at the MGM Grand Garden Arena in Las Vegas on May 20, 2018.
Kelly Clarkson — the evening's host — arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Demi Lovato arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Christina Aguilera arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Janet Jackson arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Maren Morris arrives at the Billboard Music Awards at the MGM Grand Garden Arena in Las Vegas on May 20, 2018.
Nick Jonas arrives at the Billboard Music Awards at the MGM Grand Garden Arena in Las Vegas on May 20, 2018.
Kesha arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
John Legend arrives at the Billboard Music Awards at the MGM Grand Garden Arena in Las Vegas on May 20, 2018.
Camila Cabello arrives at the Billboard Music Awards at the MGM Grand Garden Arena in Las Vegas on May 20, 2018.
Normani arrives at the Billboard Music Awards at the MGM Grand Garden Arena in Las Vegas on May 20, 2018.
Jenna Dewan arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Ciara arrives at the Billboard Music Awards at the MGM Grand Garden Arena in Las Vegas on May 20, 2018.
Mila Kunis arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Shawn Mendes arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Hailey Baldwin arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Ashlee Simpson and Evan Ross arrive at the Billboard Music Awards in Las Vegas on May 20, 2018.
Quavo of Migos arrives at the Billboard Music Awards at the MGM Grand Garden Arena in Las Vegas on May 20, 2018.
Chrissy Metz arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Andy Cohen arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Halsey arrives at the Billboard Music Awards at the MGM Grand Garden Arena in Las Vegas on May 20, 2018.
Padma Lakshmi arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Tyra Banks arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Alison Brie arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
The Chainsmokers' Alex Pall and Andrew Taggart arrive at the Billboard Music Awards at the MGM Grand Garden Arena in Las Vegas on May 20, 2018.
Bebe Rexha arrives at the Billboard Music Awards at the MGM Grand Garden Arena in Las Vegas on May 20, 2018.
Justin Hartley and Chrishell Stause arrive at the Billboard Music Awards in Las Vegas on May 20, 2018.
Dua Lipa arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Khalid arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Pauly D and some pineapple-clad ladies arrive for the Billboard Music Awards in Las Vegas on May 20, 2018.
Erika Jayne arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Julia Michaels arrives at the Billboard Music Awards at the MGM Grand Garden Arena in Las Vegas on May 20, 2018.
Lil Pump arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Frankie Grande arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Sandra Denton and DJ Spinderella of Salt-N-Pepa arrive at the Billboard Music Awards in Las Vegas on May 20, 2018.
Luis Fonsi arrives at the Billboard Music Awards at the MGM Grand Garden Arena in Las Vegas on May 20, 2018.
Derek Hough arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Rhona Bennett, Terry Ellis and Cindy Herron of En Vogue arrive for the Billboard Music Awards in Las Vegas on May 20, 2018.
Prince Jackson arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
T.I. arrives at the Billboard Music Awards at the MGM Grand Garden Arena in Las Vegas on May 20, 2018.
Darren Criss arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Olympic snowboarding gold medalist Chloe Kim arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
DJ Khaled arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
French Montana arrives at the Billboard Music Awards at the MGM Grand Garden Arena in Las Vegas on May 20, 2018.
Mason Ramsey — aka the Walmart yodeling kid — arrives at the Billboard Music Awards at the MGM Grand Garden Arena in Las Vegas on May 20, 2018.
Diplo arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Natalie Morales arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Gigi Gorgeous arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Zedd arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Ne-Yo arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Kygo arrives at the Billboard Music Awards at the MGM Grand Garden Arena in Las Vegas on May 20, 2018.
Danielle Bregoli — aka Bhad Bhabie, aka the "cash me outside, how 'bout dah?" girl — arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Alyson Stoner arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Bonnie McKee arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
South Korean boy band BTS arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Chantel Jeffries arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Brett Young and Taylor Mills arrive at the Billboard Music Awards at the MGM Grand Garden Arena in Las Vegas on May 20, 2018.
Jesse McCartney and Katie Peterson arrive at the Billboard Music Awards in Las Vegas on May 20, 2018.
Sway arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Patrick Starr arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Luke Combs and Michelle Hockings arrive at the Billboard Music Awards in Las Vegas on May 20, 2018.
Z LaLa arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Justine Skye arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Grace VanderWaal arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.
Renee Bargh arrives at the Billboard Music Awards in Las Vegas on May 20, 2018.