Watch Ariana Grande, BTS, Mariah Carey, and more perform at the 2019 Billboard Awards

Mariah Carey performs onstage during the 2019 Billboard Music Awards at MGM Grand Garden Arena on May 01, 2019 in Las Vegas, Nevada. Kevin Winter/Getty

The 2019 Billboard Music Awards took place on Wednesday night and the show was packed with big-name performers. Ariana Grande's "7 Rings" performance was pre-recorded during the Vancouver stop on her Sweetener world tour, while Halsey and BTS teamed up to perform "Boy With Luv" together for the first time. Madonna, meanwhile, utilized AI technology while performing new song "Medellín" alongside Maluma.

In another live debut, Taylor Swift and Brendan Urie of Panic At The Disco played a high-energy "ME!" Jonas Brothers also performed a medley of hits, as too did Billboard Icon Award winner Mariah Carey.

Check out a selection of the performances below.