Demi Lovato thanks fans in a video message

Actress and singer Demi Lovato waves to photographers after announcing nominations for the 2010 American Music Awards, Tuesday, Oct. 12, 2010, in Los Angeles. (AP Photo/Chris Pizzello)

March 8, 2011 3:17:30 AM PST
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."