Danny Masterson + Bijou Phillips Welcome First Child - PHOTOS

Credit: Instagram

Former That '70s Show actor Danny Masterson and his actress/model wife Bijou Phillips had a secret Valentine's Day baby.

The couple welcomed their first child, a baby girl on Feb. 14, sharing the news via Instagram yesterday (Feb. 19).

Masterson captioned the photo, "Hello friends.Beyond thrilled to announce The birth of our daughter Fianna Francis Masterson! Mom and baby are doing amazing. You can all refer to me as dj dadpants from now on... Wifey @bijouphillips will post a pic on her insta too. Cheers!"

Bijou shared a similar photo, announcing, "Fianna Francis Masterson, 2/14/14 8LBS, 5OZ, 21in, she is a perfect valentine!!!"

Masterson and Phillips tied the knot in October of 2011 after dating for eight years.

Mazel tov!

Credit: Instagram