VIDEO : Fixer Upper Stars Chip & Joanna Gaines Having 5th Baby

Joanna and Chip Gaines have a growing family. Joanna Gaines/Facebook Chip and Joanna Gaines are expecting their fifth child. The "Fixer Upper" stars shared the news on their Instagram. The final season of their show is currently airing on HGTV. The Gaines family is growing. In an Instagram post shared on Tuesday, "Fixer Upper" stars Chip and Joanna Gaines announced that they are expecting their fifth child. Chip, 43, shared a photo with Joanna, 39, showing off her baby bump, while she laid her hand on his stomach.