Hilary and Haylie Duff are not only siblings but also best friends — and now, it seems, their next generation is following suit.
The sisters talked the relationship between their two kids — Hilary’s son Luca Cruz, 5½, whom she shares with ex-husband Mike Comrie, and Haylie’s 2½-year-old daughter Ryan Ava Erhard, whom she shares with fiancé Matt Rosenberg — at the Words With Friends launch party in West Hollywood, California, on Thursday.
“They really play well together,” Haylie, 32, told PEOPLE. “One time I had Luca for a sleepover and the two of them were outside running around on a Slip ‘n Slide, and I remember looking out at them in the yard being like, ‘This is what they’re going to do as teenagers.’ ”
Adds Hilary, 30, “Haylie sent me a picture and Ryan had no shirt on, a diaper and a flower crown. I don’t know what had on, but they looked like they had been playing so hard. She was like, ‘Yo, Coachella 2030.’ I’m like, ‘No! Stop!’ If this is a flash into our future, we should be very afraid.”
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