AJ Michalka ( mee-SHAH-kÉ;) is an American actress, musician and singer-songwriter who is best known as one half of the musical duo Aly & AJ (briefly 78violet), alongside her older sister Aly Michalka.
In addition to her music career, Michalka has appeared in films such as The Lovely Bones (2009), Secretariat (2010), Super 8 (2011), Grace Unplugged (2013), Weepah Way for Now (2015), and Support the Girls (2018). Michalka also starred in the ABC sitcom The Goldbergs (2013â2023) and its spin-off series Schooled (2019â2020), and she voiced a lead role as Catra in the Netflix animated adventure series She-Ra and the Princesses of Power (2018â2020).