WACO, Texas — Though we don’t know in what capacity, we do know that Laura Bush and Tim Tebow will appear on the final season of “Fixer Upper.”

The network announced Thursday that the former first lady and ex-NFL star will be among the special guests in the Chip and Joanna Gaines-hosted series. 

The fifth and final season of “Fixer Upper,” which premiered in 2013, starts Nov. 21.