The 30-year-old made the announcement in an Instagram post conveniently sponsored by ClearBlue pregnancy test. #GetThemCoins
"I finally figured out what to get Corey for Christmas! #babyontheway #ClearblueConfirmed #ad (blog post with all the details will be up today,couldn't wait to share the news with you all) xoxo," she captioned a snap holding the brand's pregnancy stick.
A photo posted by Audrina Patridge (@audrinapatridge) on
Audrina shared her excitement with Us Weekly by saying: "I feel at this point in my life I am ready to be a mama!"
Patridge and Bohan became enaged in November after dating on and off since 2008. The BMX biker even made several appearances on her now defunct reality series back in the day.
She previously dated her Hills co-star Justin Bobby Brescia and pop singer Ryan Cabrera.
Her new domesticated state will be quite the change for Audrina who became famous for traipsing in and out of trendy nightclubs & relationships alongside her affluent squad of impeccably coiffed party girls and bad boys on the long-running MTV "reality" series.