Harris, 47, and her new husband announced the news via Twitter.
"Okay kids this happened a week ago today. Very happy," she wrote tweeting a story about the nuptials.
"So.. This happened last week. Extremely excited," she added.
Hebel proposed to Harris in September 2014 while vacationing in Capri, Italy. At the time, the pair were secretly attending Neil Patrick Harris and David Burtka's destination wedding.