AJ Michalka, born April 10, 1991, is an American actress and singer-songwriter. She is one half of the musical duo Aly & AJ (aka 78violet) with her sister. Since 2005, they have released five albums.
AJ has appeared in films such as The Lovely Bones (2009), Super 8 (2011), Grace Unplugged (2013) and Support the Girls (2018). Michalka also starred in the ABC sitcom The Goldbergs (2013–2023) and its spin-off series Schooled (2019–2020).