Fans won't have to say goodbye to The Oprah Winfrey Show until next week's May 25 finale, but it was the beginning of the end for Lady O on Tuesday as she taped her final two episodes before the series ender. News outlets including The Hollywood Reporter and Entertainment Weekly were on hand to witness the festivities, the celebrity guests and maybe even walk away with a few of the TV host's Favorite Things. We've compiled the six biggest spoilers from the Internet so, in case you need one more reminder, spoiler alert!

1. "The biggest stars on the planet": Shortly before the show started, a narrator promised help from "some of the biggest stars on the planet," and Oprah delivered. With more star power than most awards shows, the guest list included Tom Cruise, Halle Berry, Rosie O'Donnell, Wanda Sykes, Katie Holmes, Tyler Perry, Diane Sawyer, Maya Angelou, Dave Chappelle, Queen Latifah, Jay-Z, Dakota Fanning (a self-proclaimed "Oprah baby") and a surprise visit from Madonna.