Celebrities present the Presidential Pledge – watch!

Tomorrow is the Presidential Inauguration of Barack Obama, and many celebrities have banded together to make this Presidential Pledge video, including Cameron Diaz, Hayden Panetierre, Laura Linney, Dakota Fanning, Jaime Pressley, Ashlee Simpson, Nicole Richie, Ashton Kutcher, Tobey Maguire, Diddy, Alyssa Milano, Marisa Tomei, Courteney Cox Arquette and David Arquette, and others. Watch:

MySpace Celebrity and Katalyst present The Presidential Pledge