JustJared recently interviewed Haylie Duff and she mentioned Hilary a couple of times in the interview, so I thought I’d post an excerpt:

JJ: You wrote two songs on your sister’s album right?
HD: Yeah, I’ve written like seven or eight songs for her albums, and I write for soundtracks and things like that. I did the Sweet Sixteen song for MTV. I love music and it’s something that I care a lot about.

JJ: So what’s on your iPod right now?
HD: A lot of old music actually. I put Gladys Knight back on my iPod. When they did that tribute with Jack Black, that was so funny. I have a lot of Gladys Knight right now. I’m still listening to James Morrison, I love him. Kate Nash. I’m listening to Eddie Vedder. I know that’s so random. The Into the Wild soundtrack…totally into. It changes all the time. I listen to a lot of old music, so its mainly like Bob Dylan and older stuff like that. Should I say Hilary Duff? I have Hilary Duff on my iPod.

JJ: Are you two very supportive of each other’s careers? (Haylie is Hilary’s older sister.)
HD: Yes, of course.

JJ: Do you try to differentiate yourselves from each other?
HD: It’s funny because in an industry where everything is so calculated and every move is thought out, like what next move to make… But we don’t do that. We’ve just gone in different directions and worked on different things. But we’re so supportive of each other. She’s actually here in New York but working something else but for just a day. I haven’t seen her in like am month. I fly home and she flies home tonight so I finally get to see her. We’re extremely close. There was a rumor that was going around (that we got into a huge fight). It’s just so crazy. I think if we’re not photographed together for like a month or a couple of weeks, they think we hate each other all of a sudden. So, I don’t know. I’m excited to go home.

Source: JUSTJARED