Demi Lovato -- the Disney Channel star who dropped out of her tour with the Jonas Brothers last fall in order to deal with unspecified emotional issues -- has posted an online video expressing her gratitude to her fans for their support.

The clip, which appears on the website , is the first public comment Lovato has made since finishing treatment in January.

Watch it and identify the many ways that Lovato’s video differs from “ Sheen’s Korner .”