This is a video by Briberry she is an artist at Disneyland
P.S. Briberry is friends with most of these people as they are her co-workers and in like 4 of her videos its always a constant battle between Merida and Anastasia! xD
At the 2011 Disney Legends ceremony, held at the D23 Expo, Paige O'Hara (Belle), Lea Salonga (Jasmine and Mulan), Anika Noni Rose (Tiana) and Jodi Benson (Ariel) sang together after accepting their awards