Demi Lovato
Demi Lovato thanks fansin a video for their support after a stint in a rehab facility. Associated Press file photo by Chris Pizzello

NEW YORK - Demi Lovato says she's ready to go back to work and is thanking fans for lifting her up during what she calls "probably the darkest time in my life."

The 18-year-old Disney TV star entered a treatment facility in November to deal with "emotional and physical issues." The "Sonny With a Chance" star had to drop out of a tour with the Jonas Brothers and it was revealed that she had fought with a backup dancer.

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In a cheery video released on Cambio.com Monday, Lovato told fans she's back home.

Lovato says she was dealing with issues that teen girls face, but didn't say what they were. In the past, she has acknowledged cutting herself.

Lovato told fans they brought light in her life during her darkest hours and without them "I probably wouldn't be here today."

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