Demi Lovato attends the Red Carpet Premiere For Disney's "Princess Protection Program" at the Queen Elizabeth Theatre on June 18, 2009 in Toronto, Canada.George Pimentel/WireImage.com - Wednesday, July, 1, 2009, 9:1 PM

Madison Delagarza and sister, Demi Lovato, attend the Red Carpet Premiere For Disney's "Princess Protection Program" at the Queen Elizabeth Theatre on June 18, 2009 in Toronto, Canada.George Pimentel/WireImage.com - Wednesday, July, 1, 2009, 9:1 PM

Demi Lovato launches the new Disney TV and music season, at Disney Channel building on April 20, 2009 in Madrid, Spain.Fotonoticias/WireImage.com - Wednesday, July, 1, 2009, 9:1 PM

Demi Lovato arrives at Nickelodeon's 2009 Kids' Choice Awards at the Pauley Pavilion on March 28, 2009 in Los Angeles, California.Jeffrey Mayer/WireImage.com - Wednesday, July, 1, 2009, 9:1 PM

Demi Lovato arrives at the Walt Disney Pictures' "Jonas Brothers: The 3D Concert Experience" at the El Capitan Theatre in Hollywood, California on February 24, 2009. Jason Merritt/Getty Images - Wednesday, July, 1, 2009, 9:1 PM

Demi Lovato arrives at the Los Angeles Premiere "Hannah Montana The Movie" at the El Capitan Theatre on April 2, 2009 in Hollywood, California.Jon Kopaloff/FilmMagic.com - Wednesday, July, 1, 2009, 9:1 PM

Demi Lovato attends the UK Premiere of "Hannah Montana: The Movie" at the Odeon Leicester Square on April 23 2009 in London, England.Mike Marsland/WireImage.com - Wednesday, July, 1, 2009, 9:1 PM

Demi Lovato attends the Ambassador of Education award ceremony at the Mondrian Hotel on May 11, 2009 in West Hollywood, California.Jason LaVeris/FilmMagic.com - Wednesday, July, 1, 2009, 9:1 PM

Demi Lovato attends the European premiere of Camp Rock at The Royal Festival Hall on September 10, 2008 in London, England.Mike Marsland/WireImage.com - Wednesday, July, 1, 2009, 9:1 PM

Demi Lovato arrives at the 2008 American Music Awards held at Nokia Theatre L.A. LIVE on November 23, 2008 in Los Angeles, California.Steve Granitz/WireImage.com - Wednesday, July, 1, 2009, 9:1 PM

Demi Lovato and Selena Gomez attend the Red Carpet Premiere For Disney's "Princess Protection Program" at the Queen Elizabeth Theatre on June 18, 2009 in Toronto, Canada.George Pimentel/WireImage.com - Wednesday, July, 1, 2009, 6:1 PM

Selena Gomez and Demi Lovato arrive at "Chevy Rocks the Future" held at the Walt Disney Studios on February19, 2008 in Burbank, California.Jean-Paul Aussenard/WireImage.com - Wednesday, July, 1, 2009, 6:1 PM

Actor Josh Duhamel and singer Demi Lovato onstage during the 2008 Teen Choice Awards at Gibson Amphitheater on August 3, 2008 in Los Angeles, California.Lester Cohen/WireImage.com - Monday, August, 4, 2008, 8:4 PM

Demi Lovato, of the Jonas Brothers movie Camp Rock, performs at The Crazy Donkey on June 24, 2008 in Farmingdale, New York.Janette Pellegrini/WireImage.com - Friday, June, 27, 2008, 8:27 PM

Demi Lovato, of the Jonas Brothers movie Camp Rock, performs at The Crazy Donkey on June 24, 2008 in Farmingdale, New York.Janette Pellegrini/WireImage.com - Friday, June, 27, 2008, 8:27 PM

Demi Lovato attends the "Camp Rock" premiere on June 11, 2008 at the Ziegfeld Theatre in New York.Dimitrios Kambouris/WireImage.com - Friday, June, 27, 2008, 8:27 PM

Demi Lovato attends the premiere of "Camp Rock" on June 11, 2008 in New York.Scott Gries/Getty Images - Friday, June, 27, 2008, 8:27 PM

Demi Lovato arrives at Chevy Rocks The Future at the Buena Vista Lot at The Walt Disney Studios on February 19, 2008 in Burbank, California.Dimitrios Kambouris/WireImage.com - Friday, June, 27, 2008, 8:27 PM

Kevin Jonas as "Jason," Demi Lovato as "Mitchie Torres," Joe Jonas as "Shane Gray," and Nick Jonas as "Nate" star in Camp Rock.ABC/Disney/Bob D'Amico - Thursday, June, 12, 2008, 7:12 PM

Kevin Jonas as "Jason," Demi Lovato as "Mitchie Torres," Joe Jonas as "Shane Gray," and Nick Jonas as "Nate" star in Camp Rock.ABC/Disney/Bob D'Amico - Thursday, June, 12, 2008, 7:12 PM

Demi Lovato stars as "Mitchie Torres" in Camp Rock.ABC/Disney/Bob D'Amico - Thursday, June, 12, 2008, 7:12 PM