christina aguilera baby summer rain matt rutler Christina Aguilera reveals baby daughter's name on TwitterOver the weekend, Christina Aguilera and fiance Matt Rutler welcomed a baby girl into the world, their first child together. Now Xtina has revealed her new baby’s name on Twitter.

Aguilera writes, “So proud to welcome our beautiful daughter Summer Rain Rutler into the world.” Little Summer Rain joins Aguilera’s 6-year-old son Max Liron Bratman, whom she shares with ex-husband Jordan Bratman.

Aguilera has taken a couple seasons off from NBC’s singing competition show “The Voice,” but she plans to return for Season 8 in the spring.