Lindsay Lohan has admitted that she failed her court-ordered drug test via her Twitter page. One day after reports surfaced that she had tested positive for drugs, the actress tweeted a string of admissions, starting with, “Regrettably, I did in fact fail my most recent drug test and if I am asked, I am prepared to appear before judge [Elden] Fox next wee as a result.” (Elden had informed Lohan in late August that the actress could return to jail if she fails one of her post-rehab tests.) Lohan continued, “Substance abuse is a disease, which unfortunately doesn’t go away over night. I am working hard to overcome it and am taking positive steps.”

The actress also claims on her page that she’s continuing to test “every day.” “This was certainly a setback for me but I am taking responsibility for my actions and I’m prepared to face the consequences,” she wrote. And after thanking her family for their support, she reached out to other well-wishers, “I am a work in progress, just as anyone else. I am keeping my faith, and I am hopeful…Thank you all!!!”

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