Over the weekend it was revealed that Kristin Cavallari is pregnant with her first baby. She and fiance Jay Cutler are thrilled about the news! Kristin just tweeted ”We are so excited for this little bun in the oven ”.

The reality star and her Chicago Bears quarterback first reported their news to PEOPLE on Sunday.

“We are thrilled to announce we are expecting our first child together,” they said. “It’s an amazing time in our life and we can’t wait to meet the new addition to our growing family.”

Here’s our first look at a happily pregnant Kristin, who spent her afternoon shopping in Beverly Hills.

Photos: Fame/Flynet