Lindsay Lohan: 'I'm my own worst enemy'

She speaks.

In Oprah Winfrey's last promo for Sunday's Lindsay Lohan sit-down on OWN, the talk-show host did all the talking.

Now, in the latest interview clip, we hear The Canyons star herself. And she sounds uncharacteristically self-aware.

"I'm my own worst enemy," says Lohan, looking grave. "I know that."

Winfrey's questioning is typically tough: "What is it you are addicted to?" "Do you think you can turn it around?"