Audrina the hills dating

After only one season as the star of "The Hills," Kristin Cavallari has retired her wild antics and reined in resident bad boy Justin Bobby.

The show's fifth season ended Tuesday night as the unlikely pair decided to give being boyfriend and girlfriend a shot.

(Read more on that HERE.) WATCH: Justin Bobby Reveals the Real Story Behind His Infamous Nickname" data-reactid="22" WATCH: Justin Bobby Reveals the Real Story Behind His Infamous Nickname"That was definitely kind of fake," she admitted, "but the stuff with [Justin and I], it was a fine line of real and fake, because we definitely had real feelings for each other and what we were going through was real, but what we were going through in real life we didn't talk [about] on camera.

"I finally figured out what to get Corey for Christmas!

#babyontheway #Clearblue Confirmed #ad (blog post with all the details will be up today, couldn't wait to share the news with you all:)!

Now, the couple are expecting their first baby together.

Patridge told Us Weekly about when she found out she was pregnant, saying that: I was super-excited!