"I've never done anything without her on stage," AJ Michalka of Aly & AJ tells PEOPLE of her sister after earning third place ...

Michalka opened up to ET about rebooting ‘Cow Belles’ and ‘Phil of the Future’ and her new Hallmark movie. Aly & AJ's Aly Michalka talks 'Potential Breakup Song's explicit version while ...

"She's a very down-to-earth, cool person through and through," AJ Michalka tells PEOPLE after performing Miley Cyrus' "Wrecking Ball" on 'The Masked Singer.' ...

Michalka opened up to ET about rebooting ‘Cow Belles’ and ‘Phil of the Future’ and her new Hallmark movie. Aly & AJ's Aly Michalka talks 'Potential Breakup Song's explicit version while ...

Aly Michalka ... pop duo Aly & AJ and starred in Disney's Phil of the Future. She has since transitioned to a successful acting career, appearing in popular TV series and movies.

Not only did Aly & AJ open for Cyrus on the Best of Both Worlds Tour in 2006, but Hannah Montana premiered the exact same night as the sister duo's Disney Channel Original Movie Cow Belles the ...