Source: Google Images
Michael Cera revealed that Rihanna actually slapped him during the filming of "This Is the End."
Source: Google Image
He thought it would be funnier and more realistic if she hit him for real.
Source: Google Image
The real slap from Rihanna ended up being used in the final cut of the film.
Source: Google Image
Despite the disorientation, Cera had no regrets about the decision.
Source: Google Image
In the movie, both Cera and Rihanna played fictionalized versions of themselves.
Source: Google Image
Cera recently made a cameo in the TV series "Black Mirror" and will appear in the upcoming Barbie film.