Celebrities turned to Twitter to acclaim Tupac's hologram featured in Coachella.

On Monday Twitter was stormed with TupacBACK tags and celebrities like Rihanna who attended the concert seemed in awe of it.

Rihanna @rihanna:

"unbeliavable" the star said adding a hashtag "#STORY4myGrandKidz"

Paris Hilton @ParisHilton:

"Snoop Dogg's performance was beyond epic last night! Dr. Dre, Wiz Khalifa, Eminem, 50 Cent! The Tupac Hologram was unreal! What a show!" she wrote

Katy Perry @katyperry:

"I Think I might have cried when I saw Tupac at Coachella" the pop star tweeted.

Chuck D @MrChuckD:

"Personally I thought Snoop/Dre PAC brilliant.But lastly Holograms should enhance like it did.Not be a tool in future to replace LIVE concert."

The hologram reportedly cost between $100,000 to $400,000 dollars to make and was created by the same computer graphics company that made the hologram's for Madonna's 2006 Grammy performance, MTV reports.