Selena Gomez Welcomes Baby Sister & Demi Lovato Tweets Excitement

Congrats to Selena Gomez! She is officially a big sister.

On Mother’s Day, the 20-year-old confirmed that her mom Mandy and step-father Brian Teefey were expecting and now the big day has arrived. E! News has confirmed that Mandy gave birth on Thursday to a baby girl.

Selena’s longtime pal Demi Lovato took to twitter to share her excitement over the new addition.

Mandy and Brian married in 2006 and this is their first child together and Selena’s first sibling. Congrats to Selena, Mandy & Brian! What do you think the little one’s name is?

Update: Selena took to twitter today to share her new little sister’s name:

Welcome to the world little Gracie!