It's a third baby bliss for DeBoer family!

Cole DeBoer and his reality star wife, Chelsea Houska welcomed their newborn baby daughter, Layne, on 29th August 2018.

The couple announced the birth of the baby girl posting an adorable picture of her via Instagram on the 27th birthday of Chelsea.

You May Like: Cole Maness & Wife Welcome Second Baby! All Happened At Home Sweet Home

Sharing the delightful news to his more than 1 million followers, Cole, aged 30, wished his sweet, perfect wife on her birthday who just gave their family a beautiful blessing.

"Sharing the same amazing day I am so in love with our family! Our newest edition Baby Layne!!", he added with a love emoji.

Baby Bliss For DeBoer Family: Cole DeBoer announces the birth of a baby girl, Layne through his Instagram on 29 August 2018. (Photo: Cole DeBoer's Instagram)

Teen Mom 2 star Chelsea, who just turned 27, also took her Instagram, amassing more than 5 million followers, to announce the birth of a baby girl.

The pair stated that they were expecting a baby in March 2018 and since then they had been documenting the stages of her pregnancy.

Chelsea even shared a sweet photo of her baby bump through her Instagram story on 29 July 2018.

Cole got married to his long-term girlfriend Chelsea at the age of 28 in October 2016 in a quiet country wedding while she was pregnant with their first child.

Soon after the three months of their wedding, she gave birth to a son, Watson Cole on 25th January 2017.

As they paused on hosting a wedding reception until after the birth of a son, they celebrated their second wedding ceremony on the first anniversary in October 2017.

See More: John Luke Robertson Young Age Wedding Bliss! Wiki, Wife, Net Worth

Cole first met his wife, Chelsea at the South Dakota local gas station in 2014. Their meeting turned into a love a few days later after their conversation through social media in August that year. They got engaged to be married in November 2015.

The native of South Dakota, Cole is also a father for Chelsea's eight years old daughter, Aubree, who currently resides with them. She was born from her previous relationship with then-boyfriend, Adam Lind.

Happy Birthday, Watson: Cole celebrates the first birthday of son Watson with his family in January 2018 (Photo: Cole DeBoer's Instagram)

Interesting: Randy Bick Details: From Age & Family To Job Of Kathy Griffin's Beau

Cole had a job as a traffic control specialist before he was introduced as Chelsea's boyfriend on Teen Mom 2 series. He used to work with the road and highway system in their home state of South Dakota.