Aikatsu!

Ichigo Hoshimiya and her friends are students at Starlight Academy, where they do Idol Activities aiming to become the Top Idol and make people happy.

See the following links to AnimeNewsNetwork for the anime:
Season 1
Season 2
Movie
Season 3
Season 4
Aikatsu Stars!
Aikatsu Stars! (movie)
Aikatsu Friends! (Aikatsu Stars! spinoff)