Amanda Michalka

Amanda Joy Michalka, (born April 10, 1991) often credited as AJ, is an American actress, singer-songwriter, model and musician who is best known as one-half of the duo 78violet (formerly "Aly & AJ") with her older sister, Alyson. She played Courtney Callum in the 2006 Disney Channel Original Movie, Cow Belles, along with Alyson, who played Taylor Callum.

Discography

 * See also: 78violet discography