A ly and AJ Michalka, better known by their alliterative stage name Aly & AJ, wanted to avoid a sophomore slump. It was 2007, and the sisters had already cultivated a groundswell ...

Aly & AJ were writing “What It Feels Like” — a song about learning to admire “the beauty” of their physical changes — when Aly went into labor with her son Jack. On Friday, the sister ...

Photo-Illustration: Vulture; Photo: Jim Bennett/Getty Images Aly Michalka ... in terms of the lyrics and what the song stood for. We weren’t in a pretty place at the time. AJ: It’s a greeting ...