Amanda Michalka has worked on many television networks, including CBS, FOX, HBO, ABC, WB and NBC. Amanda appeared as Bonnie with a recurring role on Oliver Beene, and also appeared with recurring roles on General Hospital and Six Feet Under. Prior to becoming an actress, Amanda worked as a professional model.

Amanda is an accomplished musician, singer, and published songwriter. She is proficient at both the piano and the guitar, and has recorded music with her sister Aly. Together they are known as Aly and A.J.