A prank war has begun.
Sandra Bullock recently recalled the night she was left with a wet and "disintegrating" expensive dress after being fooled by her pal and Gravity costar George Clooney, and now she tells E! News that it's payback time.
And no matter how hard the actor tries to convince Sandy to just let it go, it's not happening.
"He wants me to let it go because he knows its coming back. He's watching me. He knows its coming back," Bullock told us at the Gravity premiere.