Aly Michalka is an American actress, singer-songwriter, and musician. Aly Michalka gained fame for playing the role of Marti Perkins in the CW television drama Hellcats. Aly Michalka is also known for her roles in series Phil of the Future, the film Bandslam, the Disney Channel Original Movie Cow Belles, teen film Easy A and in the thriller The Roommate.

Aly has only one sister and is the daughter of Mark, who owns a contracting company, and Carrie, who is a musician.Aly Michalka is also known as one-half of the musical duo 78violet with her sister Amanda.

Aly Michalka has been playing the piano since she was five and started playing the guitar at the age of 13. She started acting when she was five years old, mostly in church play productions.