Christina took to Twitter this morning (18 August) and told fans that she and husband Matthew Rutler have welcomed a little girl called Summer Rain.
Yesterday, it was rumoured that Christina had given birth and, thanks to her post, we now know that to be true!
Christina gushed: "So proud to welcome our beautiful daughter Summer Rain Rutler into the world."
The US singer reportedly gave birth to Summer Rain via a C-section at Cedars-Sinai Medical Centre in Los Angeles. All we need now is a picture of the tot!
Christina, who has a son called Max from a previous relationship, had confirmed in April that she and Matt were expecting their first baby together. The couple got engaged in January.
Celebrities who have welcomed babies in 2014:
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