Nikki Reed and Paul McDonald

Nikki Reed and Paul McDonald tied the knot Sunday, Us Weekly reports.

The Twilight actress, 23, and the American Idol Season 10 finalist, 27, were married in front of 100 guests in Malibu, Calif. "We couldn't be happier!" the newlyweds told Us. "[We were] surrounded by our family and friends. We're so glad this day has come!" 

Watch McDonald gush to TVGuide.com about Reed

Reed and McDonald got engaged in June after dating for two months. They first met at the film premiere for Red Riding Hood (an event captured by the Idol cameras).

Reed, also known for co-writing the 2003 indie film Thirteen, next appears in Twilight: Breaking Dawn Part 1.