Well this didn't go over too well with the buff star, who said:
[Image via FayesVision/WENN.]
What an AH-Mazing night for an insanely A-list collaboration!
The actor and the rock legends performed a few hits including Come Together— as Jack Sparrow's fiancé Amber Heard waited in the wings, watching her man!
As an attendee, not only did you see the Aerosmith frontman belt his signature scratchy vocals, but you might've witnessed Johnny playing a few licks on the guitar!