It's a girl for Christina Aguilera!

Congratulations to her and fiance Matt Rutler, they welcomed their first baby together, a little girl, on Saturday, August 16. US Weekly reports Christina gave birth via C-section at Cedars-Sinai Medical Center in Los Angeles.

This is Christina's second baby, and the first for her fiance.  She has a little boy named Max, who is 6, with ex-husband Jordan Bratman.

Congratulations Christina and Matt!  I can't wait to find out what they named her!!