07/22/2013 03:46 pm ET Updated Jul 22, 2013

Kate Middleton Gives Birth, World Reacts (TWEETS)

The royal baby is finally here!

The day that royal watchers, the media and even President Obama has been waiting for since the pregnancy announcement has arrived. So what do all of our favorite stars have to say about Kate Middleton and Prince William's little bundle of joy? See all of their reactions in the slideshow below.

And don't forget to check out our liveblog for constant updates.

Celebrities Tweet On The Birth Of The Royal Baby

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