In anticipation of this Sunday's Academy Awards, Oprah has gathered the biggest stars in Hollywood to interview each other about their incredible Oscar moments. Best Actress winner Halle Berry will go one-on-one with Penelope Cruz , who won Best Supporting Actress last year and is nominated again this year for her role in Nine, on what it's like to hold that coveted gold statue in your hand. Best Director nominee James Cameron will sit down with three stars from his film Avatar, including Zoe Saldana. Ben Affleck, who won in 1998 for his Good Will Hunting screenplay, will chat with The Hurt Locker's Jeremy Renner, who is nominated for Best Actor. The Oprah Winfrey Oscar Special airs today, March 3rd, at 10PM EST on ABC. Stay tuned for our continuing coverage of the Oscars!