Selena Gomez Mom Pregnant: Mandy Dawn Teefey Pictures

Mandy Dawn Teefey is pregnant

Selena Gomez just made a big annoucement on Twitter today: Her mom Mandy Dawn Teefey and stepdad Brian Teefey are going to make her a big sister! The singer says she's ecstatic about the news.

“Momma and Brian are finally letting me share the news... My mommys carrying my baby brother or sister :) I'm the happiest girl in the world! ” she wrote below an Instagram pic of her mom's tummy.

Mandy, a former actress, was married to Ricardo Joel Gomez until Selena was 5. She then raised Selena and remarried years later, in 2006. Now, they're going to expand their family! 

Gomez also wrote about what a great Thanksgiving she had with friends and family: " Happy Thanksgiving!!!!! Spending the day with family and home cooked food" she wrote.

Congrats to Selena and Mr. and Mrs. Teefey! 

Selena Gomez with her mom and step dad

Mandy Dawn Teefey and Selena Gomez