Mariah Carey and husband Nick Cannon welcomed a baby girl and boy today in LA. "Dem Babies" as MC calls them are finally out and healthy! No pictures of the newborns are out yet (you can make a lot of $$ off them) but check out some of celebrity tweets Congratulating the couple!

Congratulations to Mariah & Nick on the birth of #dembabies!! Born, April 30th at 12:07pm ET. Mommy, Daddy & #dembabies are all doing fine!

My wife gave me the most incredible anniversary gift in life! I won't ever be able to top this! Congrats 2 u & @Mariahcarey

Congratulations Mariah & Nick!!!!!!!!! The twins have finally landed on earth!!! Yaaayyyyy!!!!! @MariahCarey mmmuuuuaaahhhh!!!!!!

Congrats to @nickcannon and @Mariahcarey with the birth of their twins!!!!!!!