Kim Zolciak confirmed the rumors that she is pregnant with her fifth child during the season finale of her spinoff show Don't Be Tardy on Tuesday night.

In the episode Zolciak, 35, and her husband, NFL player Kroy Biermann, 27, discovered she would coceive their fitth child after she took a pregnancy test in their home.

The reality star shared with her fans that she is pregnant 10 months after she gave birth to her fourth child, Kash Kade Biermann, on Aug. 15, 2012. Fourteen months prior, she welcomed her first son, Kroy Jagger Biermann, on May 30, 2011. Zolciak also has two daughters from a previous relationship--Brielle,16, and Ariana, 11.

After the show ended on June 25, Zolciak tweeted that her daughters were officially adopted by Biermann.

"Am I not the luckiest girl in the world!!!!!!??? My girls @BrielleZolciak @arianazolciak are officially adopted by Kroy!!!!" the two-time reality star wrote on Twitter.

Biermann, himself, followed up with a tweet that expressed his joy about legally adopting Zolciak's daughters.

Zolciak's older daughter Brielle also shared her excitement about Biermann legally becomingher father on Twitter.

"i have tha best dad ever @biermann71," Brielle wrote about the defensive end for the Atlanta Falcons.

InTouch Weekly published a photo of Zolciak's growing baby bump in a report published on June 5. Zolciak wore a white bikini that revealed her baby bump while on vacation in Destin, Fla., during the Memorial Day holiday weekend.

See the photo of Zolciak's baby bump here.

An insider told Us Weekly that "Kim loves being pregnant" and that she's hoping for another daughter.

"She really wants a little girl," the insider added. "Brielle and Ariana are older now, and Kroy wants a girl of his own."

Watch a scene of the season finale of Dont Be Tardy where Zolciak learns she is pregnant below.

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