Audrina Patridge unveils her baby bump for the first time

Chloe Best

Audrina Patridge has proudly shown off her baby bump for the first time. The 30-year-old, who is expecting her first child with fiancé Corey Bohan, posted an Instagram photo of her growing bump on Saturday.

"For all of you girls asking me to show the bump here ya go! :)… Now this is a debut #selfie," Audrina captioned the photo, which shows her lifting up a loose-fitting dress to display her small bump.

For all of you girls asking me to show the bump here ya go!:).... Now this is a debut #selfie

A photo posted by Audrina Patridge (@audrinapatridge) on

Audrina showed off her baby bump on Instagram

The image was reposted by Corey, who added the caption: "It's a beautiful thing as the weeks go by. Baby bump."

The former star of The Hills announced in December that she is pregnant with her first child. The 30-year-old took to Instagram to share the happy news, posting a photo of herself with a positive pregnancy test.

"I finally figured out what to get Corey for Christmas! #babyontheway," she wrote.

The reality TV star is expecting her first child with fiancé Corey Bohan

Audrina has since opened up about her experiences of pregnancy in her blog, revealing that she has been lucky to avoid morning sickness so far.

"I just feel very tired and like I have a major hangover when I wake up, which is a change for me because I'm constantly on the go!" she wrote. "As far as finding out the sex of the baby… we just want it to be healthy. Girl or boy, we will be ecstatic either way!

"Corey's mum wants it to be a surprise, but I don't know if I'll be able to wait! I guess we will just have to wait and see."

She continued: "God has a plan for us, and even though it is all happening so fast, I am confident that I'm ready to be a mama!"

Audrina is not the first star of The Hills to become a mum; her former co-star Kristin Cavallari welcomed her daughter Saylor James in November - her third child with husband Jay Cutler.

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