Selena Gomez's Mother Welcomes a Baby Girl
06/14/2013 AT 01:45 PM EDT
The singer's mom, Mandy Teefey, welcomed a daughter with husband Brian on June 13, E! News reports.
Meanwhile, Gomez's pal Demi Lovato spilled the beans earlier on Twitter.
"@selenagomez IS A BIG SISTER!!!!!! Everyone congratulate her and her family!!!!!! #CONGRATSSELENA!!!! #CONGRATSSELENAMANDYANDBRIAN !!!!!!" she Tweeted on Thursday evening.
The Teefeys, who wed in 2006, were expecting a child in 2011, but lost the baby.
Gomez, 20, shared the happy news that her mom was expecting again when she Tweeted a photo of Teefey's baby bump on Mother's Day. "Hope all the amazing moms had a great day! I have the best momma in the world :)) I love you so much!" she wrote at the time.