AJ Michalka Autographs
Amanda Joy Michalka (/miːˈʃɑːkə/ mee-SHAH-kə; born April 10, 1991) 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. She 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 (2013–2023) and its spin-off series Schooled (2019–2020). She is also known for voicing a lead role as Catra in the Netflix animated adventure series She-Ra and the Princesses of Power (2018–2020).
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. 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. Michalka was in a number of musical productions at her school in Milwaukee as a young woman.
She plays a variety of instruments such as acoustic guitar, electric guitar, and piano. 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. She and her sister appeared in the MTV film Super Sweet 16: The Movie.
Read more about AJ Michalka on Wikipedia
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Current items with a signature of AJ Michalka
These are the most current items with a signature of AJ Michalka that were listed on eBay and on other online stores - click here for more items.
| Picture | Item Title | Price | Store |
 | ALY & AJ MICHALKA SIGNED AUTOGRAPHED 8X10 PHOTO 78violet GOLDBERG SCHOOLED PSA | $249.99 |  |
Traded items with a signature of AJ Michalka
The most expensive item with a signature of AJ Michalka (* ALY & AJ MICHALKA * signed electric guitar * POTENTIAL BREAKUP SONG *) was sold in May 2025 for $490.00 while the cheapest item (Aly & AJ Michalka dual authentic signed autographed 8x10 photograph holo COA) found a new owner for $9.63 in March 2023. The month with the most items sold (11) was December 2025 with an average selling price of $92.99 for an autographed item of AJ Michalka. Sold items reached their highest average selling price in May 2025 with $490.00 and the month that saw the lowest prices with $9.63 was March 2023. In average, an autographed item from AJ Michalka is worth $92.99.
Most recently, these items with a signature of AJ Michalka were sold on eBay - click here for more items.
| Picture | Item Title | Price | Store |
 | 'Aly & AJ' Signed 8x10 Photo 'Aly & AJ Michalka' ACOA And | $92.99 |  |
| 'Aly & AJ' Signed 8x10 Photo 'Aly & AJ Michalka' ACOA And | $92.99 | |
| 'Aly & AJ' Signed 8x10 Photo 'Aly & AJ Michalka' ACOA And | $92.99 | |
| 'Aly & AJ' Signed 8x10 Photo 'Aly & AJ Michalka' ACOA And | $92.99 | |
| 'Aly & AJ' Signed 8x10 Photo 'Aly & AJ Michalka' ACOA And | $92.99 | |
| 'Aly & AJ' Signed 8x10 Photo 'Aly & AJ Michalka' ACOA And | $92.99 | |
| 'Aly & AJ' Signed 8x10 Photo 'Aly & AJ Michalka' ACOA And | $92.99 | |
| 'Aly & AJ' Signed 8x10 Photo 'Aly & AJ Michalka' ACOA And | $92.99 | |
| 'Aly & AJ' Signed 8x10 Photo 'Aly & AJ Michalka' ACOA And | $92.99 | |
| 'Aly & AJ' Signed 8x10 Photo 'Aly & AJ Michalka' ACOA And | $92.99 | |
| Aly & AJ Michalka Concert Used and Autographed Guitar Strap | $250.00 | |
| ALY & AJ MICHALKA signed (POP DUO) What It Feels Like 8X10 photo ACOA SD86783 | $70.00 | |
| ALY & AJ MICHALKA signed (POP DUO) What It Feels Like 8X10 photo ACOA SD86784 | $70.00 | |
| ALY & AJ MICHALKA signed (POP DUO) What It Feels Like 8X10 photo ACOA SD86785 | $70.00 | |
| Autographed Amanda AJ Michalka Poster – Large 41"x56" – Rare Collectible Print | $150.00 | |
