NEWS/ Criminal Minds bintang A.J. Cook Pregnant and Expecting a Baby Boy: "Miracles Do Happen" 

Khloé Kardashian Reveals New Blond Hairstyle After Celebrating Ryan Seacrest\'s Birthday With Family and Friends Today 3:53 PM PST

Miley Cyrus and Patrick Schwarzenegger Enjoy Disney Date Night at the "Best Place on Earth"—See the Pics! Today 5:29 PM PST

Criminal Minds Star A.J. Cook Pregnant and Expecting a Baby Boy: "Miracles Do Happen"

star surprised fans Sunday afternoon when she announced she was expecting a baby.

"Miracles do happen and don\'t believe anyone who tells you otherwise," she captioned on Instagram while showing off her growing belly. "#Blessed #Bump"

Her husband Nathan Andersen also confirmed the news and revealed even more exciting information.

"Since @ajcook announced we are expecting a new addition to the clan, I guess it\'s my responsibility to inform everyone it\'s a boy!" he captioned with an assortment of baby clothes. The couple is already proud parents to a son. 

Well known for her role as Jennifer Jareau on the popular CBS series, Cook has developed a loyal fan base over her 10 year span on the show.

But when you take one look at her Instagram, it\'s her family that\'s most important to her.

Whether celebrating Thanksgiving together by the coast or whale watching in the middle of winter, Cook\'s love for her family is quickly apparent.

There\'s also that adorable Valentine\'s Day snapshot her hubby posted on the most romantic evening of the year. "Happy Valentine\'s Day to this beautiful creature @AjCook," he captioned. "#Snugglebear #SmoochySmoochy."

Yes, we officially love them! Congratulations you two on your exciting news! 

PHOTOS: More stunning celebrity baby bumps 

Baby Makes Three! Naya Rivera is Pregnant!

Exclusive: Jessica Biel Flaunts Baby Bump on Location

9-Months Pregnant Molly Sims Attends Tom Ford Show

filed under Pregnancies, Criminal Minds, Instagram, Babies, Top Stories

Look who showed up to support Jessica Biel on the set of her new movie...

Kim Kardashian Finally Admits Her Selfie Addiction Is \'\'Ridiculous\'\'

Gigi Hadid and Karlie Kloss Take Over Milan Fashion Week as BFFs

Watch: Christina Milian Is Hosting a Live Video Q&A Right Now!

Get an exclusive palace tour and discover more royal secrets—Watch!

Your information may be shared with other NBCUniversal businesses and used to better tailor our services and advertising to you. For more details about how we use your information, see our Privacy Policy. If you are located outside of the U.S., your information may be transferred to, processed and used in the U.S.

E! Online - Your source for entertainment news, celebrities, celeb news, and celebrity gossip. Check out the hottest fashion, photos, movies and TV shows!

Call 1-888-E-Online | Text "tip" + your tip to 44264 or Click Here

*Message & Data rates may apply. Reply HELP for help, STOP to cancel.

I have read and agree to the E! Privacy policy and terms of use.

Privacy Policy - UPDATED |  Terms of Use |  Independent Programming Report |  ©2015 E! Entertainment Television, LLC. A Division of NBCUniversal.  All rights reserved.