JT channeled a little MJ during his show in L.A. last night -- busting out one of Michael's greatest hits ... and the crowd went wild.
Timberlake kicked off the Western leg of "The 20/20 Experience" tour at Staples Center on Tuesday ... and played a bunch of his own hits -- including "My Love," "Holy Grail" and "Sexy Back."
Then he turned to Michael Jackson ... and covered "Human Nature." Check out the clip.
Justin's show was packed with huge celebs -- including Matt Damon, Amy Adams ... and JT's old boyband mate Lance Bass (who had a special "friends and family" VIP pass).
As for JC, Joey or the other one ... so far, it's unclear if they were there too.
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