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Demi

NEW YORK, NY - MAY 13: Singer Demi Lovato attends a photocall with Fifth Harmoney at TopShop SoHo on May 13, 2013 in New York City. (Photo by Taylor Hill/FilmMagic)

Celebs Tweet Reactions to Kim and Kanye's Baby

Kim Kardashian and Kanye West welcomed a baby girl Saturday and it wasn't long before family, friends and fellow celebs started tweeting at the happy couple with congrats... and a few jokes. See what Hollywood had to say about the new arrival.