The actress and singer and her producer boyfriend, Jacob Pechenik, released a statement to People magazine, saying they are “over the moon”.
They added that they are “excited to meet our little one”, who is due in the summer.
“Jacob and I are over the moon. We are so excited to meet our little one,” Deschanel tells PEOPLE.
The mom-to-be, 34, and her producer boyfriend, 42, have been dating since mid 2014.
The couple’s baby on the way already has plenty of playdates in the future: Bones star Emily and her husband, actor David Hornsby, are expecting their second child.