Amanda Joy Michalka – Alyson Michalka
Amanda Joy Michalka, was born onApril 10, 1991 in Torrance, California. Amanda Joy Michalka often credited as AJ, is an American actress and singer-songwriter. She used to be a model prior to becoming an actress, and is known as one-half of the duo Aly & AJ with her sister, Alyson Michalka. AJ was born in Torrance, California to Mark and Carrie Michalka and was raised in Seattle, Washington. Amanda Joy Michalka has an older sister, Alyson Michalka.