R&B superstar BEYONCE has given birth to a baby daughter.
The Crazy in Love singer delivered little Ivy Blue Carter in New York's Lenox Hill Hospital on Saturday night (07Jan12) via a scheduled Caesarean section, according to reports.
She's the first child for Beyonce and her rapper husband Jay-Z, who married in April 2008.
Umbrella hitmaker Rihanna was among the first to celebrate the new arrival, taking to Twitter.com to post, "Welcome to the world princess Carter! Love Aunty Rih."
Hip-hop mogul Russell Simmons also tweeted, "Congrats to my good friends Beyonce and Jay-Z."
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