Are hologram performances the new norm?

The King of Pop is back.

Billboard music awards aired Sunday night and despite some high-profile appearances by the world's top musical artists, it was a person who wasn't really there that stole the show.

Michael Jackson's hologram: Creepy or cool?

A Michael Jackson hologram wowed the crowd with a live performance of "Slave to the Rhythm," a track from the late singer's latest posthumous album, "X-scape."

Many insiders predict the performance could help propel the album to the Number 1 spot on the charts this week, despite the fact Jackson died in 2009.

From Elvis to MJ: Hollywood's hologram takeover

This isn't the first time that a deceased celebrity has been used for promotional purposes.

Eric Barba, an Oscar-winning Visual Effects Supervisor who works for a company that developed a similar hologram of rapper Tupac Shakur is OutFront.