This is Paris: Paris Hilton's new documentary's trailer released

Paris Hilton's new documentary 'This is Paris' trailer has been released, CNN reported. 

In the trailer, she talks about being Paris Hilton and noted: "the whole world thinks they know me."

According to her, she doesn't even feel like she knows herself sometimes.

"I'm so used to like playing a character that it's hard for me be normal," Hilton says.