United Kingdom, May 3 -- Aly and AJ Michalka have become "closer as sisters" in recent years.

The pop duo found fame as teenagers on Disney Channel in the mid-2000s and continue to tour together today, but AJ admitted that ever since Aly welcomed son Jack with husband Stephen Ringer in April 2024, they have been reminded of the "childlike wonder" that had dissipated in recent times.

She told UsWeekly: "Aly found out she was pregnant with him the night we played the Greek [Theatre in L.A.]

"There's this throughline that he's been with our band for a while and being an aunt is truly the best. I always joke, it's literally the best role I've ever booked. It's so fun.

"[He's] brought us not only closer as sisters, but also brought us to a...