Hilary Duff Spends Night at the Emergency Room with Her Dog

Courtesy Hilary Duff; Inset: Demis Maryannakis/Splash News Online

updated 09/20/2011 AT 11:55 AM ET

originally published 09/20/2011 AT 2:00 PM ET

Mom-to-be Hilary Duff got a little practice this weekend for all those sleepless nights that lie ahead. The star spent Sunday night at the emergency vet with her Chihuahua.

“Didn’t think I would be sitting at the emergency hospital at 2 in the am with Lola, poor girl has an eye infection!” she Tweeted Sunday. “Lil dog can’t catch a break.”