Exclusive: Inside Hilary Duff's Private 25th-Birthday Party — Thrown by Hubby Mike Comrie!

Mike Comrie threw his wife, Hilary Duff, a private party for her 25th birthday.
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Hilary Duff sure has a great hubby!

To celebrate his wife turning 25, Mike Comrie planned quite the birthday party — and Life & Style has all the details from inside.

“He rented out The Library at the Redbury Hotel in Hollywood,” a guest at the Sept. 29 bash tells Life & Style.

“Everyone who was there was taking shots and posing for pictures in a photo booth,” the guest says. “Hilary was wearing a tiara and had a blast catching up with everyone.”

Some of Hilary’s closest friends and family were there for the new mom’s big night.

“Her sister, Haylie Duff, and actress Jamie-Lynn Sigler were on hand to help Hilary celebrate,” the guest tells Life & Style.

Hilary and Mike, 32, got married in August 2010 after dating for three years and in March they welcomed their first child, a son named Luca.