Alicia Silverstone gave birth to a baby boy on Thursday.
The boy, named Bear Blu Jarecki, is the first child for Silverstone and her husband, Christopher Jarecki.
The actress announced the news Monday on her blog.
"We are all three in love!" Silverstone wrote. "I'm so grateful to this community for all the love, support, good wishes and happy vibes you've sent me during my pregnancy...it has been wonderful. Thank you all!"
Silverstone and Jarecki wed in 2005.
The actress next appears in the movies Vamps and Butter.