Pretty Rhythm

Rizumu Amamiya is a young teenager girl who dreams to become a Prism Star like her late mother, a famous ice-skater, and to participate in the Prism Dance Skate, the most famous ice-skating show. On the stage with her, two new friends: Serena Jounouchi and Kanon Toudou. Together, they are the Asterhythm.

(from mangaupdates)