Actor Alyson Stoner attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images)





Actor Alyson Stoner attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images)





Alyson Stoner attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Steve Marcus/Reuters)





TV personality Padma Lakshmi attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images)





TV personality-model Hailey Baldwin attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Jeff Kravitz/FilmMagic)





Model Hailey Baldwin attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Matt Winkelmeyer/Getty Images for dcp)





Hailey Baldwin attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images)





Ashlee Simpson attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images)





Recording artist Chantel Jeffries attends the 2018 Billboard Music Awards 2018 at the MGM Grand Resort International on May 20, 2018 in Las Vegas, Nevada. (Photo by Lisa O'Connor/AFP Photo)





Chantel Jeffries attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Steve Marcus/Reuters)





Cheryl James (L) and Sandra Denton of musical group Salt-N-Pepa attend the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Matt Winkelmeyer/Getty Images for dcp)





Olympic snowboarder Chloe Kim attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Steve Marcus/Reuters)





Olympic snowboarder Chloe Kim attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images)





Mila Kunis attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Steve Marcus/Reuters)





Mila Kunis attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images)





Justine Skye arrives at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 20, 2018, in Las Vegas. (Photo by Jordan Strauss/Invision/AP Photo)





Recording artist Taylor Swift attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images)





Recording artist Taylor Swift attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by John Shearer/Getty Images for dcp)





Recording artist Taylor Swift attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Nina Prommer/EPA/EFE/Rex Features/Shutterstock)





Taylor Swift arrives at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 20, 2018, in Las Vegas. (Photo by Jordan Strauss/Invision/AP Photo)





Singer-songwriter Cyn attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images)





Egypt Criss attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images)





Actor Alison Brie attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images)





Recording artist Jennifer Lopez attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images)





Jennifer Lopez arrives at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 20, 2018, in Las Vegas. (Photo by Jordan Strauss/Invision/AP Photo)





Recording artist Jennifer Lopez attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images)





Actress Jenna Dewan attends the 2018 Billboard Music Awards 2018 at the MGM Grand Resort International on May 20, 2018 in Las Vegas, Nevada. (Photo by Lisa O'Connor/AFP Photo)





Actress Jenna Dewan attends the 2018 Billboard Music Awards 2018 at the MGM Grand Resort International on May 20, 2018 in Las Vegas, Nevada. (Photo by Nina Prommer/EPA/EFE/Rex Features/Shutterstock)





Jenna Dewan attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Steve Marcus/Reuters)





Singer/songwriter Demi Lovato attends the 2018 Billboard Music Awards 2018 at the MGM Grand Resort International on May 20, 2018 in Las Vegas, Nevada. (Photo by Lisa O'Connor/AFP Photo)





Recording artist Bebe Rexha attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images)





Recording artist Normani attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Matt Winkelmeyer/Getty Images for dcp)





Recording artist Ciara attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images)





Recording artist Ciara attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Nina Prommer/EPA/EFE/Rex Features/Shutterstock)





Ciara attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Steve Marcus/Reuters)





Recording artist Dua Lipa attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images)





Recording artist Dua Lipa attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Broadimage/Rex Features/Shutterstock)





Recording artist Dua Lipa onstage during the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)





Dua Lipa attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Steve Marcus/Reuters)





Model-TV personality Tyra Banks attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images)





Recording artist Amy Renee Noonan aka Qveen Herby attends the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Nina Prommer/EPA/EFE/Rex Features/Shutterstock)