The film also includes Paige O'Hara (Belle from Beauty and the Beast) on the TV in James Marsden's hotel room, and Judy Kuhn (Pocahontas) as the single mom who answers the door and tells Prince Charming that he's "too late".
I always thought it was referencing beauty and the beast. Cause the same things happen in beauty and the beast. In Aladdin it's not a spell. It's just a genie with magic. In beauty and the beast it's actually a spell on the castle.
Pictures & Quotes From Amazing TV Shows 2 - One Giant Movie