, known professionally as Cymphonique
, is an American teen actress and singer-songwriter, who is best known for her role as Kacey Simon
on the Nickelodeon
sitcom How to Rock
For Disney, she voiced Holly on the Disney Channel original series Phineas and Ferb in the first three seasons.
Cymphonique Miller attending Nickelodeon's largest ever Worldwide Day of Play in September 2011.
Cymphonique Miller speaks at the Master P's Family Empire panel at the 2015 Summer TCA Tour.