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(CNN) —  

Ariana Grande had an Easter treat for Beliebers this weekend.

The singer performed a surprise duet with Justin Bieber to close out her Coachella Valley Music And Arts Festival headlining gig.

Bieber, who returned to the stage after an almost two year absence, performed his hit “Sorry” with Grande and said he was surprised, too.

“I had no idea I was going to be on a stage tonight,” Bieber said. “Absolutely no idea. I wore this fly outfit not knowing I was going to be on stage.”

Naturally the audience went wild.

The pair share the same manager, Scooter Braun, and have supported each other before.

Bieber performed at the Manchester benefit concert Grande held in 2017 to honor the victims of the terrorist attack which occurred at her concert there.

For her first weekend Coachella performance Grande surprised the crowd by bringing on stage most of the members of *NSYNC for a mini-reunion.