Her character may be short lived, but it seems well worth it. Rihanna's cameo role in the new R-rated comedy "This is the End," will help the film do well at the box office. According to Variety, "This is the End" opened in 2,000-plus theaters in the U.S. on June 12 and will expand to over 3,000, which could help the film gross low-to-mid $30 millions.
The synopsis: Six friends are trapped in a house after a series of strange and catastrophic events devastate Los Angeles. As the world unravels outside, dwindling supplies and cabin fever threaten to tear apart the friendships inside. Eventually, they are forced to leave the house, facing their fate and the true meaning of friendship and redemption.
In the below trailer, Rihanna lets Michael Cera have it after he slaps her butt.