VIDEO: Meghan Trainor and John Legend Perform at BILLBOARD MUSIC AWARDS

The "2015 Billboard Music Awards", hosted by Ludacris and Chrissy Teigen, were broadcast LIVE from the MGM Grand Garden Arena in Las Vegas last night, SUNDAY, MAY 17, on ABC. Click here for the full list of winners.

Below, watch Meghan Trainor and John Legend perform 'Like I'm Gonna Lose You' at the 2015 Billboard Music Awards. Click here to watch more clips from the night's performances!

The performance line up included Hozier, Nick Jonas, Tori Kelly, Ed Sheeran, Van Halen, Kanye West along with special duet performance by "Empire" recording artists Jussie Smollett and Bryshere "Yazz" Gray with Estelle, Fall Out Boy featuring Wiz Khalifa, Little Big Town and Faith Hill, Nicki Minaj and David Guetta, Britney Spears and Iggy Azalea, Meghan Trainor featuring John Legend, and Wiz Khalifa, Charlie Puth and Lindsey Stirling.

The show also included a special moment with Molly Ringwald introducing Simple Minds who will pay tribute to the 30th anniversary of "The Breakfast Club" with their iconic song "Don't You (Forget About Me).

The "2015 Billboard Music Awards" showcase this year's hottest and biggest music stars. BILLBOARD MUSIC AWARDS finalists are based on key fan interactions with music, including album and digital songs sales, radio airplay, streaming, touring and social interactions on Facebook, Twitter, Instagram, YouTube, Spotify and other popular online destinations for music.

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