Gallerie: Monsters vs. Aliens Movie Premiere Red Carpet Photos

Event date: March 22, 2009. Celebrity red carpet photos include: Reese Witherspoon, Seth Rogen, Hugh Laurie, Chloe Grace Moretz, Kiefer Sutherland, Jack Black, Judd Apatow, Paul Rudd, Angie Harmon, Jennette McCurdy, Rainn Wilson, Samantha Harris, Josh Hutcherson, Jonah Hill, Milly and Becky Rosso, Will Arnett, Amy Poehler.