Photo: Alyson Hannigan (Twitter) @alydenisof
What an adorable way to tell the world you have arrived!Mommy Alyson Hannigan star of American Pie and Alexis Denisof welcomed a daughter, named 'Keeva Jane Denisof' yesterday. Above, is the first photo of the newborn, Tweeted yesterday by mommy. She is younger sister to 'Satyana.' 

The couple met while shooting Buffy the Vampire Slayer and have been together ever since. This young growing family has a lot to be thankful for, looking forward to seeing this beautiful family grow!