I’d pick
Janice robinson:- Listen to your Heart
https://youtu.be/LvAjgJPngWQ or What is Love by Haddaway
LMA Choir :- Don’t Stop Believing by Journey
Shan Ako:- Unwritten by Natasha Bedingfoeld
https://youtu.be/xVZF5C6SZYo
AStar:- Starships by Nicki Minaj or Till the world ends Remix - Britney, Kesha and Nicki
Molly:- Radar by Britney Spears
Bella:- Call me Maybe by Carly Rae Jepson or cooler than me by Mike Posner