Selena Gomez became a big sister last night (June 13) when her mom, Mandy Teefey, gave birth to a baby girl! We think Sel's going to be the best big sister ever, but if she ever needs advice on how to deal with a little sibling, she has a lot of good company: Check out this gallery of her fellow celebs who are big sisters!
Selena Gomez is a big sister! Her mom, Mandy Teefey, pictured here, had a baby girl. We bet she's inheriting some pretty swanky hand-me-downs!