Selena Gomez will soon be stepping into a new role, and this time it’s not in a movie!

The starlet has just announced that she is going to be a big sister!

That’s right, the former Disney star, has an extra reason to smile this holiday season, with the news that her mom Mandy is expecting a baby with her stepfather Brian.

Selena announced the exciting news when she tweeted that her mom is carrying her baby brother or sister, also revealing that she is the happiest girl in the world.

Well Selena, congrats! We’re happy for you, big sis Selena, now that has a nice ring to it!