You've probably read the title to this story and thought, "Um, How did Tupac perform live?" Well, the late rapper who's been deceased for nearly 15 years was brought on stage the last night of the three-day Coachella festival in California.On stage was Eminem, Snoop, Dr. Dre, and the finale was rapper Tupac, who was performing via hologram. Not only did the performance look completely realistic, it actually freaked a few concert-goers out!

The Tupac image was a performance from a previous Coachella from years past. Tupac asked the audience, "What the {expletive} is up, Coachella?"

The social netwoking sites immediately after went ablaze with some of music's biggest stars dishing about the post-humous performance: