The greatest prank war in Hollywood continues.

Hugh Jackman revealed the latest gag pal Ryan Reynolds pulled on him -- perfectly timed for opening night of his "The Music Man" Broadway revival -- in a recent social media post.

"I have the most amazing friends. Gorgeous flowers, champagne and heartfelt well wishes. I am blessed. And then … there's him," Jackman, 53, wrote on Instagram, tagging Reynolds, 45.

Instead of showing off the celebratory flowers and Champagne he received from loved ones, the Wolverine actor showed off a pair of framed photos of Reynolds that populated his dressing room at the Winter Garden Theatre.

One photo showed the "Free Guy" actor clicking his heels together in a mid-air jump, and the other was a sepia-toned sketch of him.

There was also a note on the framed photos awaiting those who zoomed in: "Hugh, good luck with your little show. I'll be watching."

Reynolds replied to the Instagram post in the comments, writing, "Haunting."