Demi Lovato ( actress ) plays a role in the television series Glee .
Between late 2008 and early 2011 , Lovato began an official music career and continued appearing on Disney Channel , releasing the studio albums Do n't Forget ( 2008 ) and Here We Go Again ( 2009 ) , starring in the lead role of the television series Sonny with a Chance ( 2009–2011 ) , and starring in the television films Princess Protection Program ( 2009 ) and Camp Rock 2 : The Final Jam ( 2010 ) .After completing medical treatment for a series of personal struggles , Lovato released her third studio album , Unbroken , in late 2011 .
Demi Lovato