Christina Aguilera and her fiancé, Matthew Rutler, have welcomed a daughter and named her Summer Rain Rutler! Christina gave birth via C-section in LA on Saturday after revealing her pregnancy news back in February. The singer later showed off her baby bump in a nude photo shoot for VMagazine.com. The baby girl joins Christina's first child, 6-year-old Max, from her marriage to Jordan Bratman. Congrats to the new parents!