- Grew up in Seattle.
- Started taking piano lessons at age 6.
- Was a model before beginning her acting career.
- As Aly & AJ, released her debut CD, Into the Rush, with her sister, Alyson Michalka, in 2005. The sisters later changed the duo's name to 78violet.
- Sang the theme song "It's Who You Are" for the 2010 film Secretariat, in which she also starred.
- Didn't ride a horse in the film Secretariat, but has been riding and competing since the age of 6.