Photo Gallery: Hollywood Stands Up To Cancer Event

Celebrities turned out for the Hollywood Stands up to Cancer event, hosted by Reese Witherspoon and her husband Jim Toth

Reese looked outstanding in a cleavage-baring orange dress, while Gwyenth Paltrow went for a blue and black dress with cut outs.  Other celebrities in attendance: Anna Kendrick, Heidi Klum, Selena Gomez, Jessica Alba, a tiny Christina Aguilera and more!  Take a look at the pics below and tell us who wins best dressed.


Weigh in – Does it reduce the glamor factor that they're standing on a concrete floor rather than a red carpet?