On People.com there's an article on the supposed next big tween stars.  Some of which include, obviously, the Jonas Brothers, Emily Osment, and other Disney stars including ....

• Demi Lovato, 15. CREDENTIALS: She's a regular on the Disney Channel short series As the Bell Rings, and next summer she'll be the envy of girls everywhere when she stars in a lead role opposite the Jonas brothers in Camp Rock.

Pretty sweeeet! Go Demi!

here's the link for more on your fave stars..

http://www.people.com/people/article/0,,20168056,00.html