It's hard to believe that at one time during this extended awards season "Nine" was the frontrunner for Best Picture.  And then it was a seemingly invincible "Up in the Air."  And now?  Get ready for a long night of back and forth wins as "Avatar" and "The Hurt Locker" line up for an epic David vs. Goliath showdown for Best Picture.  Will the critic's favorite survive the recent "Lockergate" scandal for an improbable Academy triumph or will James Cameron's $2.4 billion phenomenon cap off a spectacular three months at the box office with the director's second Best Picture in row?

Start clicking on the tabs below for a sneak peek at who will be celebrating on Oscar Sunday.