Audrina Patridge is pregnant

Audrina Patridge is pregnant.

The former 'Hills' star revealed her happy news on Instagram, joking she had found the perfect Christmas present for her fiance Corey Bohan.

RELATED: Audrina Patridge is engaged

RELATED: Kristen Cavallari's brother found dead

Alongside a picture of herself holding the positive test, she wrote: "I finally figured out what to get Corey for Christmas! #babyontheway #ClearblueConfirmed #ad (blog post with all the details will be up today!) xoxo (sic)"

The 30-year-old beauty and the Australian BMX rider can't wait to become parents.

She told Us Weekly magazine: "I was super-excited.

"I asked [Corey] to have a look at the test and make sure I wasn't seeing things.

"You never really expect it to say 'Pregnant.' He had a big smirk on his face and was really happy about it.

"I feel at this point in my life I am ready to be a mama!"

Audrina's baby news comes just a month after she and Corey - who she has been in a relationship with for seven years - announced their engagement.

She previously revealed that Corey asked her father for permission before proposing over dinner at Summit House in Orange County, California.

She said: "When dessert time came he ordered cheesecake and the waiter brought it out on a platter with a beautiful silver cover. I noticed all the waitresses gathering with phones and thought, what is going on! Then all of a sudden the waiter lifted the silver cover and I saw the ring in a box with white rose petals on the plate.

RELATED: Kristin Cavallari has welcomed a baby boy

"It was then that Corey dropped to his knee and said, 'We have been together for many years now and I love you more than anything. I want to spend the rest of my life with you - will you marry me?'

"I was in shock and kind of didn't even hear him but I said yes!"