Initially hesitant to be filmed, Delaney agreed to let her employer, the 'momfluencer' Nicki Unplugged, film Delaney as she sang 'Part Of Your World' from 'The Little Mermaid' while babysitting Nicki's daughter. The video took off -- 18 million views and counting, and now she's on 'American Idol!' Watch 'American Idol' SUNDAYS 8/7c on ABC and Stream on Hulu.