'Fixer Upper' hosts Chip and Joanna Gaines are readying an HGTV spinoff series, 'Behind the Design.'
NEW YORK, NY - OCTOBER 19: The Build Series presents Chip Gaines and Joanna Gaines to discuss their new book "The Magnolia Story" at AOL HQ on October 19, 2016 in New York City. (Photo by Mireya Acierto/FilmMagic) ORG XMIT: 676787985 ORIG FILE ID: 615651572
FILE - In this March 29, 2016, file photo, Joanna Gaines, left, and Chip Gaines pose for a portrait to promote their home improvement show, "Fixer Upper," on HGTV in New York. In an interview with People magazine released on Oct. 11, 2017, the couple cited a grueling 11-month production schedule as a reason for the shows end. (Photo by Brian Ach/Invision/AP, File) ORG XMIT: PAPM103
FORT WORTH, TX - NOVEMBER 05: 'Fixer Upper' stars Chip and Joanna Gaines pose with the Monster Energy NASCAR Cup Series AAA Texas 500 pace car at Texas Motor Speedway on November 5, 2017 in Fort Worth, Texas. (Photo by Jared C. Tilton/Getty Images) ORG XMIT: 775068844 ORIG FILE ID: 870526230
NEW YORK, NY - OCTOBER 18: Chip and Joanna Gaines discuss "Capital Gaines: Smart Things I Learned Doing Stupid Stuff" and the ending of the show "Fixer Upper" with the Build Series at Build Studio on October 18, 2017 in New York City. (Photo by Roy Rochlin/FilmMagic) ORG XMIT: 775059107 ORIG FILE ID: 862840994
'The Magnolia Story' by Chip and Joanna Gaines
NEW YORK, NY - DECEMBER 08: Chip Gaines and Joanna Gaines discuss their hit show "Fixer Upper" at AOL Studios In New York on December 8, 2015 in New York City. (Photo by Brook Christopher/FilmMagic) ORG XMIT: 595366287 ORIG FILE ID: 500449472
In this March 29, 2016 photo, Joanna Gaines, left, and Chip Gaines pose for a portrait in New York to promote their home improvement show, "Fixer Upper," on HGTV. (Photo by Brian Ach/Invision/AP) ORG XMIT: INVW [Via MerlinFTP Drop]