Demi Lovato thanks her fans and speaks about her stint in a Chicago rehab center

Another day, another child tart star leaves rehab.

LOS ANGELES — Disney starlet Demi Lovato addressed her fans in a video message posted over the weekend, speaking publicly for the first time about her stint in a Chicago-area rehab facility and thanking fans for their support, according to a new report.

Lovato, 18, left the rehab facility in late January after two months of treatment to deal with “emotional and physical issues,” including eating disorders and self-mutilation.

She reportedly punched dancer Alex Welch in the face on board a private jet in October 2010 while she was touring with the Jonas Brothers.

In the video, Lovato tells her fans: “I wanted to let you know that I am back and home.” She goes on to describe her time in rehab as “probably the darkest time of my life,” Us Weekly reported Monday.

She thanks fans for sending her messages of support on Twitter, saying: “I wouldn’t be here today if it wasn’t for the support you guys have given me along the way … Your support is what got me through this.”

It was not clear if or when Lovato would return to work on her Disney Channel series “Sonny With a Chance.” The cable network announced in November 2010 that it would rework the show to focus on other characters and guest stars so production, scheduled to begin in January, could move forward without the teenage star.

Wonder what the over under is on how long this chick actually stays off the sauce? *Calls bookie*

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