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Lindsay Lohan is speaking out for the first time in the latest preview for her sit-down interview with Oprah Winfrey.

"I'm my own worst enemy, and I know that," the 27-year-old actress says in the video below.

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Among the other new footage featured in the teaser, Winfrey throws more tough questions Lohan's way including asking what Lohan is addicted to and, "Do you think you can turn it around?"

Watch the preview here:

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Oprah's Next Chapter airs Sunday at 9/8c on OWN.