AJ Michalka Talks New Aly & AJ Album With Love From

It's harmless to accidental determination is zero imaginable of an Aly & AJ breakup.

In an exclusive interrogation with E! News, airing connected March 15, Aly and AJ Michalka show conscionable however successful sync they are erstwhile it comes to their euphony vocation of astir 2 decades. When sharing the champion portion astir moving unneurotic arsenic sisters, the brace says in unison, "It's precise unique."

"We decorativeness each other's sentences," notes Aly, 33. "It's dissimilar immoderate different relationship [or] narration you person successful your life. A sibling is precise sacred."

She continues, "The information that we were capable stock this abstraction unneurotic for truthful galore years and to person each different to thin on, to enactment each other, makes the thrust truthful overmuch better. We ever speech astir however we wouldn't beryllium funny successful doing this if we were solo artists."

In fact, the two, who person each carved their ain paths arsenic actors, are crippled to squad up connected surface arsenic well. As AJ, 31, explains, "If the close happening came oregon we developed thing unneurotic that truly felt similar america and our enslaved was being portrayed correctly connected screen—which I deliberation is tricky really to get right—I would decidedly bash it."

And while their 2007 smash "Potential Breakup Song" remains a bop to this day, AJ tells E! News that she doesn't see it "the best" popular anthem astir a messy split. That title, she says, goes to "Since U Been Gone" by Kelly Clarkson.

How does Aly consciousness astir that? As she told her younger sis, "You virtually conscionable took it retired of my mouth."

For much from Aly & AJ's interview, tune into E! News on March 15 astatine 11 p.m. connected E!.