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After weeks of speculation and bated breath, reputable sources have officially confirmed that international superstar has Beyonce given birth to a healthy baby girl!

Mrs. Carter checked in Saturday night (allegedly under the alias Ingrid Jackson) at Lenox Hill Hospital on the upper east side of Manhattan. As you might guess, security was extremely tight with police officers stationed outside every entrance to the building.

No confirmation on the name just yet, but E! News reports the Bey and hubby Jay-Z chose the name Ivy Blue Blue Ivy. Reps for the parents have yet to confirm, but plenty of friends and fans tweeted their well wishes and welcomes for Baby Carter. Check out some of the best below:



Russell Simmons:



Lil Duval:

And the funniest tweet of the night goes to: