Christina Aguilera and her fiance, Matt Rutler, have welcomed their daughter into the world and named her newborn daughter Summer Rain Rutler.

The singer Christina Aguilera gave birth to baby Summer on August 16 via C-section at the Cedars-Sinai Medical Centre in Los Angeles.

The singer announced on Twitter that the new addition to her family will be called Summer Rain Rutler.

So proud to welcome our beautiful daughter Summer Rain Rutler into the world.

— Christina Aguilera (@xtina) August 18, 2014

Summer Rain is the second child for Aguilera and the first for Rutler. She is already mother to a 6-year-old son called Max, with ex-husband Jordan Bratman.