Pitt, Clooney attend one-night production of '8'

Actor Martin Sheen arrives at the one-night-only production of "8", presented by The American Foundation For Equal Rights & Broadway Impact, at the Wilshire Ebell Theatre in Los Angeles, California March 3, 2012.[Photo/Agencies]

Proposition 8 plaintiffs (L-R) Kris Perry, Sandy Stier, Paul Katami, and Jeff Zarrillo arrive at the one-night-only production of "8", presented by The American Foundation For Equal Rights & Broadway Impact, at the Wilshire Ebell Theatre in Los Angeles, California March 3, 2012.[Photo/Agencies]