After years of speculation, Hilary Duff has confirmed she is estranged from her older sister Haylie Duff. But what happened?

Hilary Duff's long-rumored estrangement from her sister, Haylie Duff, was confirmed by one of the songs on her new album, "Luck... or Something." When the "Lizzie McGuire" star debuted the song "We ...

Hilary Duff and her sister, Haylie Duff, starred together in the 2006 film ‘Material Girls’ ...

Hilary Duff opens up about her estranged relationship from her sister Haylie, sharing how their relationship has changed over the years.

For the first time in nearly 20 years, Hilary Duff hit the stage on Monday, January 19, to headline a live concert. In addition to playing some of her biggest hits, including “Come Clean” and “What ...

Ashley Tisdale hung out with Hilary Duff’s estranged sister, Haylie Duff, amid the “toxic” mom group drama. On Tuesday, the food blogger shared a photo of her youngest daughter, Lulu, 7, playing under ...