In today's Viral Video of the Day, a grandson has pulled off the ultimate prank on his grandma by secretly editing her into a scene from the movie Obsession.

In the clip, the grandson, who calls his grandma "Angry Grandma," sits down with her to watch the movie.

However, without telling her, he added footage of his grandma pushing the movie's main character down, making it look as though she is part of the film.

When the scene appears and she suddenly recognizes herself, the older woman is completely stunned, staring at the screen in disbelief as she tries to process what she is seeing!

One viewer wrote, "she was genuinely questioning if she was in the movie or not."

Check it out:

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