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Oprah Winfrey and Mark Hamill

The two entertainers cozy up in the audience ahead of the ceremony in which both would be enshrined as Disney Legends. (Photo: Disney)

When Universes Collide! Superheroes, Princesses, 'Star Wars,' and Oprah Do D23 Expo

Turns out the Happiest Place on Earth is also one of the most star-studded. This weekend’s D23 Expo, Disney’s biennial fan fest, featured sneak peeks at the Magic Kingdom’s upcoming film slate. From Pixar to Marvel to Disney to Lucasfilm, A-list actors were on hand to present trailers, clips, and concept art — and to mingle. Click through for a look at some of the starriest moments.