Melody decides to run away from home and find the truth behind it. Ariel eventually discovers that her daughter has run away after being told by Sebastian. Ariel must turn back into a mermaid to ...

The Lizzie McGuire alum shared a heartwarming new photo with her daughter, and she looks like a sleepy little mermaid baby! "Townsie gahhh," Duff captioned a post on her Instagram story on Tuesday.