In the adorable clip, Chip jokes in his explanation to Gage that he and his wife are about to have another baby - their fifth child - because "Uncle Chip has lost his mind".
They let Gage, a little boy they met at the Tim Tebow Foundation golf tournament over the weekend, announce that they're having a boy! He also hints at the baby's sex by soliciting Gage's help in coming up with a name that begins with the letter 'D'. I don't know. That might not even be allowed on Twitter'.
Chip and Joanna have given their two girls names that start with "E" - Ella and Emmie - and their boys have "D" names: Drake and Duke. "So far all I can come up with is 'Dragon.' She's like, 'You're not calling that baby Dragon!'" Although she didn't appear in the Twitter video, Joanna joined Chip at the charity event, and the two had an "amazing weekend".
Fresh off their pregnancy announcement, the twosome has a new special.
"I can't wait to show our fans how every piece of the design comes together before the final reveal", Joanna said in a statement reported by Entertainment Weekly.