Cymphonique Miller (born August 1, 1996), known professionally as Cymphonique, is an American singer-songwriter and actress. She is the daughter of Percy Robert Miller (also known as Master P) and the younger sister of Romeo Miller (a.k.a. Romeo). She is best known in the acting world for her leading role as Kacey Simon on the Nickelodeon sitcom How to Rock.
Miller has performed on several national tours and in theme parks across the United States. She has also toured with Raven-Symoné, Ashley Tisdale, Demi Lovato, JoJo, Wonder Girls, College Boyys and Elizabeth Tselepi.
She was a finalist in Radio Disney's Next Big Thing but came in second place to Jasmine. Her songs "Butterflies", "Lil Miss Swagger" and "Daddy I'm A Rockstar" received airplay on Radio Disney. The music video for "Lil Miss Swagger," released when she was 12 years old, received more than 11 million YouTube views. Miller has guest-starred on Big Time Rush, True Jackson, VP, The Troop and Just Jordan.