MJ's posthumous performance

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STORY: There were nearly 20 A-list performances at the 2014 Billboard Music Awards from music's hottest living stars, but it was the late Michael Jackson who stole the show.

The biggest news of the night came from a computer-generated Michael Jackson hologram performance of him dancing and singing a new song, "Slave to the Rhythm," off his posthumous album "Xscape."

The performance of the hologram "King of Pop" prompted an emotional standing ovation from the crowd.

The Billboard Music Awards - which measures honors by sales, radio airplay, touring, streaming and other metrics - is a top venue for artists to unveil new songs in time for the summer.

"Xscape," released on May 2nd, features eight previously unreleased songs from Jackson that were recorded between 1983 and 1999.

Jackson, known as the 'King of Pop' and one of the most influential artists in music, having sold 1 billion records worldwide, died in 2009 at ag