Celebrities Who Act Totally Different Off Camera

Christina Aguilera

Xtina is best known for her crazy incredible voice. She's been in the spotlight since she was a young girl, so it makes sense that she probably doesn't remember the time before she was famous, and apparently, she acts like it, too.

The More You Know

Dennis Rodman has 28 siblings.
Jonah Hill had to go to the hospital for bronchitis while filming Wolf of Wall Street. For seven months, he was snorting vitamin D (almost) daily, pretending it was cocaine.
Matthew Broderick was convicted of careless driving in a car accident in which two people died.
Robert Downey Jr. claims that Burger King saved his life from his drug addiction.

Post originally appeared on Upbeat News.