Sparkling Grand Prix (キラキラグランプリ Kirakira Guran Puri) is a trio tournament in which Saints won and became top idols because of it. The competition takes place in Episode 12. In Episode 13, Kuma confirmed that SoLaMi♡SMILE has won.
- Laala Manaka, Mirei Minami, and Sophie Hojo (SoLaMi♡SMILE) - current winners
- New, Mew, and unnamed Enka singer
- Sophie had planned to partner up with Laala and Mirei, but Usagi announced he had already chosen her partners, preventing her from doing so. The three eventually perform together in Episode 12.
- Dorothy West was initially meant to partner up with Laala and Mirei,but was rejected after she entered with her brother, Leona West.
- The NMews Sisters were also initally meant to team up with Sophie, but later teamed up with an unknown Enka singer.