Selena Gomez Is Going To Be A Big Sister!

She may not becoming a stepmom to an illegimiate child, but Selena Gomez‘s family is expanding!
The singer announced yesterday that her mother, Mandy, and her stepfather Brian Teefey will be expecting their first child together!
She wrote via Twitter:

“Momma and Brian are finally letting me share the news…My mommy’s carrying my baby brother or sister:) I’m the happiest girl in the world!!”

WONDERFUL! Such happy, happy news!
Our Selenita is going to be such a great big sister!
We couldn’t be more excited for all of you!
Congratulations, guys!
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[Image via WENN.]