'Fixer Upper' Stars Chip and Joanna Gaines Expecting Baby Number 5

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'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.

Fixer Upper stars Chip and Joanna Gaines announced on Instagram Tuesday that they are expecting their fifth child together.

"Gaines party of 7.. (If you're still confused.. WE ARE PREGNANT)," Chip said alongside a comedic photo of himself and his wife comparing their stomachs together.

Gaines party of 7.. (If you’re still confused.. WE ARE PREGNANT) @joannagaines

A post shared by Chip Gaines (@chipgaines) on

Chip and Joanna are already parents to 12-year-old Drake, 11-year-old Ella, 9-year-old Duke and 7-year-old Emmie Kay.

The couple announced in September that HGTV's Fixer Upper will end after Season 5 in order to focus on their family and other business ventures.

"The most important thing in the world is Jo and I's relationship, followed very quickly by these four beautiful kids [of ours]," Chip said previously on Today of the decision to end the show.

'Fixer Upper's Final Season Will Feature Celebrity Guests

'Fixer Upper's Final Season Will Feature Celebrity Guests

Find out who will be picking up a hammer with Chip and Joanna Gaines when 'Fixer Upper' returns for Season 5 in November.

"We didn't want to push it, redline it for so long that we woke up and realized we are at a point of no return," he continued. "So we wanted to take a step back and focus on what is absolutely the most important thing to us."

Joanna's younger sister Mary Kay McCall, who was featured on Tuesday night's episode of Fixer Upper, is expecting her sixth child as well.

By Wade Sheridan

Originally published in UPI Entertainment News.