Two adorable kids aged three and five may just be "Frozen's" biggest fans.

"Frozen's" Anna and Elsa have officially joined the cast of "Once Upon A Time" and these two children have so many things to say about the collaboration, according to E! News

The review leaves the young, innocent boys with some of the most adorable thoughts you would ever hear from kids.

Check out the video on this link and fall in love with both of them in an instant!