She is best known in the acting world for her leading role as Kacey Simon on the Nickelodeon sitcom How to Rock. Early career and guest appearances
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 Mission Swagger" and "Daddy I"m A Rockstar" received airplay on Radio Disney. The music video for "Lil Mission 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. Music and acting careers (2011–present)
In 2012, Miller starred in and contributed to the music for the Nickelodeon series How to Rock.
The show lasted one season.
She sings the theme song of Winx Club, an Italian animated series on Nickelodeon, and was also the voice of Princess Krystal on the show. She is also featured on the Big Time Rush song, "I Know You Know". In 2011, Miller was nominated for "Best Female Hip-Hop Artist" at the Black Entertainment Television Awards.
On July 7, 2012, Miller performed the half-time show at the Los Angeles Sparks" Girl Scouts night at The Staples Center.
She has also appeared on MADtv, in numerous national commercials, and in public service announcements. In 2013, she released a mixtape entitled Passion.
The same year, Miller appeared in the film The Demsey Sisters alongside Lynn Whitfield and Denyce Lawton.