AJ Michalka

Michalka was born in Torrance, California and is the younger sister of actress and musician Aly Michalka. Her father, Mark, owns a contracting company, and her mother, Carrie, is a musician and performed with the Christian rock band "JC Band". Her parents are divorced. As a little girl, she briefly lived in Seattle and Milwaukee.^[3][4] Both she and her sister attended Mack Elementary. She has played the piano since she was six and started playing the guitar in her early life. She started acting when she was five, mostly in church play productions. She was raised as a Christian and homeschooled for part of her childhood.^[5][6][7] Michalka was in a number of musical productions at her school in Milwaukee as a young woman.^[6] She plays a variety of instruments such as acoustic guitar, electric guitar, and piano.

Michalka started work in entertainment in the 2000s, when she was a model for catalogs. In 2006, she made her Disney Channel debut in the Disney Channel Original Movie Cow Belles, as "Courtney Callum", along with sister Aly, as "Taylor Callum". She has also appeared on shows such as Oliver Beene, Six Feet Under, The Guardian, and General Hospital.^[6][7][8] She and her sister appeared in the MTV film Super Sweet 16: The Movie.

In 2009, she was featured in the Peter Jackson film The Lovely Bones, released widely on January 15, 2010.^[9]

From 2009 to 2013, Michalka and her sister performed as the musical duo 78violet. They decided to change their band name back to "Aly and AJ" in 2015. She was cast as a recurring character on The CW series Hellcats^[10] starring Ashley Tisdale and her sister Aly Michalka. The series ran for one season and was cancelled in May 2011.

Michalka appeared in the 2011 film Super 8, directed by J. J. Abrams. Her first big-screen starring role was as the title character in 2013's Grace Unplugged.

Since 2013, Michalka has had a recurring role on the ABC sitcom The Goldbergs as Lainey Lewis, the best friend of main character Erica Goldberg and one-time girlfriend of Erica's brother, Barry. In May 2015, it was announced that she was promoted to series regular for the show's upcoming third season.^[11] She also played the Lainey character in a lead role on the spinoff series Schooled, which ran for two seasons.

In July 2014, she and her sister filmed an untitled drama in Laurel Canyon, California. The film was directed and written by Aly's husband, Stephen Ringer. Michalka was one of the producers of the film, with her sister and Ringer, and participated in the casting process. In May 2015, it was announced that the film, Weepah Way for Now, would premiere at the Los Angeles Film Festival on June 16, 2015. The film was released on DVD, iTunes, and other streaming platforms in June 2016.^[12]

Starting in 2015, Michalka voiced the character Stevonnie in Steven Universe, a fusion of the protagonist Steven and his best friend Connie.

In 2024, Michalka competed in season twelve of The Masked Singer as "Strawberry Shortcake", with Hayley Orrantia (who competed in season seven as "Ringmaster") serving as her Mask Ambassador. She was eliminated in the semi-finals and finished in third place. Michalka also made references to her nephew and Aly & AJ's upcoming album.^[13]

In December 2025, it was announced that Michalka was cast in season 4 of The White Lotus.^[14]

In 2006, Michalka dated actor and musician Joe Jonas.^[15] She has confirmed that her duo's song "Flattery" was written about him.^[16]

Since August 2017, Michalka has been in a relationship with actor Josh Pence.^[17]