The actress, who played sassy Amber in the classic 1990s movie, exchanged vows with Charlie Bigelow in front of family and friends at a ceremony in Carmel.
Donovan took to Twitter.com to share the news of her nuptials, posting a photo of herself with Bigelow at a pre-wedding party.
Her former Sabrina, the Teenage Witch co-star Melissa Joan Hart was quick to tweet well wishes to the couple, writing, "Sounds like congrats (sic) are in order! God bless! Xoxo."
The newlyweds are parents to a five-month-old daughter, Scarlett Avery.