Here's a little more about them:
* Alyson Michalka (born December 25, 1989) is the older sister and plays guitar, piano, and keyboards.
* Amanda Michalka (born March 10, 1991) is the younger sister and sings lead vocals.
Their musical journey:
* Early career: They started singing and acting together as children, appearing in Disney Channel shows like "The Famous Jett Jackson" and "Phil of the Future".
* Pop success: They rose to fame in their teens with their pop-rock sound, scoring chart hits and achieving success in various countries.
* Later years: They took a break from music to pursue individual acting careers, but reunited in 2017 with a more mature and sophisticated sound.
* Current work: They continue to release music and perform, with their recent albums "The Things That I Didn't Tell You" (2021) and "A Touch of the Beat" (2023) showcasing their evolving musical style.
Beyond music:
* Acting: Both sisters are established actresses, with Aly starring in TV series like "iZombie" and "The Goldbergs" and AJ in "Supernatural" and "Cowgirls 'n Angels".
* Personal life: Both are happily married, with Aly having married Stephen Ringer in 2015 and AJ marrying Stephen Savino in 2016.
Aly and AJ are talented sisters who have successfully navigated careers in music and acting, showcasing their versatility and staying power in the entertainment industry.