AWWW, Fergie! The singer announced she and Josh Duhamel were expecting via a throwback photo of the couple and the caption: "Josh & Me & BABY makes three!!! #mylovelybabybump."
Jessica Simpson used adorable daughter Maxwell to announced that she was pregnant with her second baby. Someone is gonna be a big sis!
"I'll be stuntin like my daddy...," the singer wrote as a caption to this photo, announcing her impending first child.
Carrie Underwood has an announcement to make. Actually, Carrie Underwood's dog have an announcement to make, to be precise!
Pete Wentz and girlfriend Meagan Camper exchanged a kiss to announce they were expecting. Take note of his hand.
Danielle Jonas alerted the world to her expecting state with this adorable picture. It's even cuter than husband Kevin Jonas!