Hilary Duff Reveals Song 'We Don't Talk' About Painful Rift With Sister Haylie

• Hilary Duff confirmed her new song "We Don't Talk" is about her strained relationship with sister Haylie Duff.
• The track is featured on her latest album, "Luck… or Something," released Friday.
• Duff described the estrangement as "the most lonely part of my existence," finding it difficult but necessary to include the song.
• Lyrics hint at jealousy and a desire to reconcile, with Duff expressing uncertainty about Haylie's reaction.
• This is Duff's sixth studio album and first in ten years, also addressing her relationship with father Robert Duff in "The Optimist."