65th Academy Awards
There was a minor controversy when Snow White (Disney character) was presenting an award for Best Animated Short Subject. She was voiced by Mary Kay Bergman, Adriana Caselotti, the original voice of Snow White was not aware of this. She was reportedly offended that Disney didn't ask her to voice Snow White during the ceremony.
Ralph Breaks the Internet
All of the Disney Princesses appear, as well as Anna and Elsa from "Frozen" and Moana, the titular character of the 2016 film. They were all voiced by their traditional actresses, except for Snow White who is voiced by screenwriter Pamela Ribon.